Playlist · Freesciencelessons

Uploads from Freesciencelessons

by Freesciencelessons · 776 videos

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2d 7h 26m

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Videos (776)

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1 GCSE Chemistry Revision "Mean Rate of Reaction" 4:41 2026-06-08
2 GCSE Chemistry Revision "Amino Acids" (Triple) 3:02 2026-06-08
3 GCSE Biology Revision "Required Practical 4: Food Tests" 3:44 2026-04-21
4 GCSE Biology Revision "Required Practical 5: Effect of pH on Amylase" 3:15 2026-04-19
5 GCSE Biology Revision "Effect of Temperature and pH on Enzymes" 3:32 2026-04-17
6 Chemistry PLUS 0:28 2026-04-10
7 Biology PLUS 0:29 2026-04-10
8 GCSE Biology Revision "Digestive Enzymes" 4:26 2026-02-26
9 GCSE Biology Revision "The Digestive System" 4:13 2026-02-16
10 GCSE Biology Revision "Active Transport" 4:03 2026-02-13
11 GCSE Biology Revision "Required Practical 3: Effects of Osmosis on Plant Tissue" 5:08 2026-02-12
12 GCSE Biology Revision "Surface Area to Volume Ratio" 4:39 2026-02-11
13 GCSE Biology Revision "Osmosis" 3:56 2026-02-10
14 GCSE Biology Revision "Diffusion" 3:54 2026-02-10
15 GCSE Biology Revision "Stem Cells" 4:21 2026-02-09
16 GCSE Biology Revision "Cell division by Mitosis" 3:41 2026-02-09
17 GCSE Biology Revision "Required Practical 2: Culturing Microorganisms" (Triple) 4:37 2026-02-09
18 GCSE Biology Revision "Bacterial Division" (Triple) 3:41 2026-02-09
19 GCSE Biology Revision "Microscopy" 4:41 2026-02-09
20 GCSE Biology Revision "Required Practical 1: Microscopes" 4:54 2026-02-09
21 GCSE Biology Revision "Plant Cell Specialisation" 3:55 2026-02-09
22 GCSE Biology Revision "Animal Cell Specialisation" 3:37 2026-02-09
23 GCSE Biology Revision "Plant Cells" 2:51 2026-02-09
24 GCSE Biology Revision "Animal Cells" 3:02 2026-02-09
25 GCSE Biology Revision "Order of Magnitude" 2:41 2026-02-09
26 GCSE Biology Revision "Sizes of Cells" 4:03 2026-02-09
27 GCSE Biology Revision "Eukaryotes and Prokaryotes" 2:38 2026-02-08
28 Learn smarter with PLUS 0:44 2026-01-07
29 A Level Biology Revision (Year 13) "Deamination and the Ornithine Cycle" 4:41 2025-06-04
30 A Level Biology Revision (Year 13) "Genetic Bottlenecks and the Founder Effect" 8:32 2025-04-28
31 GCSE Chemistry Revision (Edexcel) "Determining Empirical Formula from Reacting Masses" 4:05 2025-04-13
32 A Level Biology Revision (Year 13) "Organisation of the Nervous System" 5:46 2025-04-08
33 GCSE Chemistry Revision (Edexcel) "Empirical Formula" 5:16 2025-04-08
34 GCSE Chemistry Revision (Edexcel) "The Dalton Model of an Atom" 4:54 2025-04-06
35 A Level Biology Revision (Year 13) "The Hardy Weinberg Principle" 9:59 2025-04-01
36 A Level Biology (Year 13) "Epistasis" 7:48 2025-03-27
37 A Level Biology Revision (Year 13) "The Chi-Squared Test" 7:13 2025-03-19
38 A Level Biology Revision (Year 13) "Dihybrid Inheritance" 5:54 2025-03-19
39 A Level Biology (Year 13) "Autosomal Linkage" 9:03 2025-03-17
40 A Level Biology Revision (Year 13) "Sex-Linked Genes" 7:37 2025-03-07
41 A Level Biology Revision (Year 13) "Multiple Alleles" 5:26 2025-03-05
42 A Level Biology Revision (Year 13) "Codominant Alleles" 4:57 2025-03-05
43 A Level Biology Revision "Using a Spirometer" 5:34 2025-03-02
44 A Level Biology Revision (Year 13) "Monogenic Inheritance" 6:45 2025-02-27
45 A Level Biology Revision (Year 13) "Alleles, Genotype and Phenotype" 7:43 2025-02-26
46 A Level Biology Revision (Year 13) "Variation and Inheritance" 6:13 2025-02-23
47 10 Tips for your Science GCSEs in 2025 5:59 2025-02-09
48 A Level Biology Revision (Year 13) "Myofibrils, Actin and Myosin" 6:59 2025-02-01
49 A Level Biology Revision (Year 13) "Homeobox Genes and Body Plans" 8:39 2025-01-26
50 A Level Biology Revision (Year 13) "Oestrogen Concentration and Breast Cancer" 2:35 2025-01-25
51 A Level Biology Revision (Year 13) "Tumour Suppressor Genes and Abnormal DNA methylation" 5:41 2025-01-23
52 A Level Biology Revision (Year 13) "Proto-oncogenes and Oncogenes" 6:04 2025-01-23
53 A Level Biology Revision (Year 13) "Benign and Malignant Tumours" 5:26 2025-01-20
54 A Level Biology Revision (Year 13) "RNA Interference by siRNA and miRNA" 6:14 2025-01-16
55 A Level Biology Revision (Year 13) "The Oestrogen Receptor as a Transcription Factor" 5:41 2025-01-14
56 A Level Biology Revision "The Lac Operon" 5:06 2025-01-12
57 A Level Biology Revision (Year 13) "Epigenetics" 5:52 2025-01-09
58 A Level Biology Revision (Year 13) "Chromatin and Histones" 5:52 2025-01-04
59 A Level Biology Revision (Year 13) "Frame Shift Mutations" 6:27 2024-12-31
60 A Level Biology Revision (Year 13) "Substitution Mutations" 6:30 2024-12-30
61 A Level Biology Revision (Year 13) "Slow-twitch and Fast-twitch Muscle Fibres" 4:32 2024-12-29
62 A Level Biology Revision (Year 13) "The Sliding Filament Mechanism of Muscle Contraction" 7:50 2024-11-28
63 A Level Biology Revision (Year 13) "The Neuromuscular Junction" 5:58 2024-11-13
64 A Level Biology Revision (Year 13) "Skeletal Muscle, Cardiac Muscle and Involuntary (Smooth) Muscle. 3:16 2024-11-07
65 A Level Biology Revision (Year 13) "Control of the Heart Rate" 6:40 2024-11-05
66 A Level Biology Revision (Year 13) "Reflex Actions" 5:39 2024-10-30
67 A Level Biology Revision (Year 13) "The Human Brain" 6:46 2024-10-28
68 A Level Biology Revision (Year 13) "Adrenaline and Cell Signalling" 3:41 2024-10-17
69 A Level Biology Revision (Year 13) "The Fight or Flight Response" 4:41 2024-10-17
70 A Level Biology Revision (Year 13) "Stem Cells and Diabetes" 4:23 2024-10-17
71 A Level Biology Revision (Year 13) "Type 1 and Type 2 Diabetes" 6:09 2024-10-09
72 A Level Biology Revision (Year 13) "The Control of Insulin Secretion" 3:23 2024-10-09
73 A Level Biology Revision (Year 13) "The Regulation of Blood Glucose Concentration" 7:09 2024-10-07
74 A Level Biology Revision (Year 13) "The Pancreas as an Endocrine and Exocrine Organ" 4:48 2024-10-01
75 A Level Biology Revision (Year 13) "The Adrenal Glands" 4:49 2024-09-30
76 A Level Biology Revision (Year 13) "The Endocrine System" 5:09 2024-09-18
77 A Level Biology Revision (Year 13) "Diagnostic Testing of Urine" 6:08 2024-09-16
78 A Level Biology Revision (Year 13) "Kidney Transplants" 4:03 2024-09-12
79 A Level Biology Revision (Year 13) "Kidney Dialysis" 6:17 2024-09-10
80 A Level Biology Revision (Year 13) "Kidney Failure" 5:38 2024-09-05
81 A Level Biology Revision (Year 13) "Osmoregulation and Antidiuretic Hormone (ADH)" 6:25 2024-09-04
82 A Level Biology Revision (Year 13) "The Role of the Loop of Henle" 7:36 2024-08-30
83 A Level Biology Revision (Year 13) "Reabsorption in the Nephron" 4:49 2024-08-30
84 A Level Biology Revision (Year 13) "Ultrafiltration" 4:34 2024-08-30
85 A Level Biology Revision (Year 13) "The Structure of the Kidneys and the Nephron" 5:38 2024-08-30
86 A Level Biology Revision (Year 13) "Role of the Liver in Detoxification and Carbohydrate Metabolism" 3:26 2024-08-28
87 GCSE Chemistry Revision "Limitations of Bonding Diagrams" 2:54 2024-08-22
88 A Level Biology Revision (Year 13) "Structure of the Liver" 5:38 2024-08-22
89 A Level Biology Revision (Year 13) "Excretion and Waste Products" 3:15 2024-08-14
90 A Level Biology Revision (Year 13) "Thermoregulation in Endotherms" 8:24 2024-08-14
91 GCSE Chemistry Revision "Nanoparticles" (Triple) 5:03 2024-08-14
92 A Level Biology Revision (Year 13) "Thermoregulation in Ectotherms" 6:19 2024-07-23
93 A Level Biology (Year 13) "Negative Feedback and Positive Feedback" 5:24 2024-07-22
94 A Level Biology Revision (Year 13) "Homeostasis" 5:24 2024-07-21
95 GCSE Chemistry Revision "Metals and Alloys" 3:34 2024-04-25
96 GCSE Chemistry Revision "Bonding in Polymers" 3:35 2024-04-25
97 GCSE Chemistry Revision "Graphene and Fullerenes" 3:56 2024-04-11
98 GCSE Chemistry Revision "Graphite" 3:46 2024-04-10
99 GCSE Chemistry Revision "Diamond and Silicon Dioxide" 4:27 2024-04-10
100 GCSE Chemistry Revision "Properties of Small Covalent Molecules" 4:29 2024-04-10
101 GCSE Chemistry Revision "Covalent Bonding 3: Bonding in Oxygen, Nitrogen and Carbon Dioxide" 3:45 2024-04-10
102 GCSE Chemistry Revision "Covalent Bonding 2: Bonding in Water, Ammonia and Methane" 4:25 2024-04-10
103 GCSE Chemistry Revision "Covalent Bonding 1: Bonding in Hydrogen, Chlorine and Hydrogen chloride" 5:01 2024-04-02
104 GCSE Chemistry Revision "Properties of Ionic Compounds" 4:28 2024-04-01
105 GCSE Chemistry Revision "Ionic Bonding 2: Ionic Bonding between Group 2 and Group 6" 4:43 2024-03-30
106 GCSE Chemistry Revision "Ionic Bonding 1: Ionic Bonding between Group 1 and Group 7" 5:04 2024-03-28
107 GCSE Chemistry Revision "The Three States of Matter" 5:15 2024-03-27
108 A Level Chemistry Revision (Year 13) "Chemical tests to distinguish between Aldehydes and Ketones" 4:49 2024-03-21
109 A Level Chemistry Revision (Year 13) "Identifying Aldehydes and Ketones using 2,4-DNP" 3:46 2024-03-20
110 A Level Chemistry Revision (Year 13) "Optical Isomerism in Hydroxynitriles" 3:27 2024-03-16
111 A Level Chemistry Revision (Year 13) "Reaction of Aldehydes and Ketones with Hydrogen Cyanide" 3:38 2024-03-14
112 A Level Chemistry Revision (Year 13) "Reduction of Aldehydes and Ketones by Nucleophilic Addition" 3:46 2024-03-14
113 A Level Chemistry Revision (Year 13) "Oxidation of Aldehydes" 2:26 2024-03-13
114 A Level Chemistry Revision (Year 13) "Structure of Aldehydes and Ketones" 5:12 2024-03-11
115 A Level Biology Revision (Year 13) "Inhibitory Synapses" 2:45 2024-01-26
116 A Level Biology Revision (Year 13) "Temporal and Spatial Summation" 4:15 2024-01-25
117 A Level Biology Revision (Year 13) "Synaptic Transmission" 5:18 2024-01-25
118 A Level Biology Revision (Year 13) "Saltatory Conduction" 5:25 2024-01-23
119 A Level Biology Revision (Year 13) "Transmission of an Action Potential along a Non-myelinated Axon" 5:06 2024-01-23
120 GCSE Chemistry Revision "Metals" 5:00 2024-01-22
121 GCSE Chemistry Revision "Transition Elements" (Triple) 3:45 2024-01-22
122 A Level Biology Revision (Year 13) "The Action Potential and the All-or-Nothing Principle" 6:02 2024-01-21
123 A Level Biology Revision (Year 13) "Rod Cells and Cone Cells as Light Receptors" 5:16 2024-01-17
124 A Level Biology Revision (Year 13) "The Pacinian Corpuscle" 3:50 2024-01-16
125 GCSE Chemistry Revision "Group 7 Part 3 Reactivity of the Halogens" 4:31 2024-01-16
126 GCSE Chemistry Revision "Group 7 Part 2 Compounds of the Halogens" 4:17 2024-01-16
127 GCSE Chemistry Revision "Group 7 Part 1 The Halogens" 3:32 2024-01-16
128 A Level Biology Revision (Year 13) "The Resting Potential" 5:26 2024-01-15
129 GCSE Chemistry Revision "Group 1 Part 2" 3:58 2024-01-11
130 GCSE Chemistry Revision "Group 1 Part 1" 4:31 2024-01-10
131 A Level Biology Revision (Year 13) "Sensory Neurones, Motor Neurones and Relay Neurones" 5:08 2024-01-09
132 GCSE Chemistry Revision "Atomic Number and Mass Number" 5:33 2023-12-23
133 GCSE Chemistry Revision "Group 0" 3:20 2023-11-19
134 GCSE Working Scientifically "Repeatability and Reproducibility" 3:52 2023-11-19
135 GCSE Chemistry Revision "Development of the Periodic Table" 5:20 2023-11-18
136 GCSE Chemistry Revision "Electron Energy Levels" 4:29 2023-11-16
137 GCSE Chemistry Revision "Relative Atomic Mass" 3:42 2023-11-15
138 GCSE Chemistry Revision "The Nuclear Model of Atomic Structure" 4:17 2023-11-14
139 GCSE Chemistry Revision "Alpha Scattering Experiment" 4:04 2023-11-13
140 A Level Chemistry Revision "Infrared Spectroscopy" 6:19 2023-11-13
141 GCSE Working Scientifically "Uncertainty" 3:07 2023-11-09
142 GCSE Science Revision "Precision" 3:43 2023-11-09
143 GCSE Science Revision "Systematic Errors" 4:41 2023-11-07
144 GCSE Chemistry Revision "Calculating Percentage by Mass" 4:57 2023-11-07
145 GCSE Science Revision "Random Errors" 4:30 2023-11-06
146 GCSE Science Revision "Independent Variable, Dependent Variable, Control Variables" 4:48 2023-11-06
147 A Level Chemistry Revision "Interpreting Fragmentation Patterns in a Mass Spectrum" 4:26 2023-11-06
148 GCSE Chemistry Revision "Paper Chromatography" 3:57 2023-11-05
149 A Level Biology Revision (Year 13) "Limiting Factors in Photosynthesis" 5:46 2023-10-25
150 A Level Biology Revision (Year 13) "The Light-Independent Reactions" 3:53 2023-10-19
151 A Level Biology Revision (Year 13) "The Light-Dependent Reactions" 5:55 2023-10-19
152 A Level Biology Revision (Year 13) "Chlorophyll and Photosystems" 4:24 2023-10-19
153 A Level Biology Revision (Year 13) "Two Key Reactions in Photosynthesis" 3:36 2023-10-18
154 A Level Chemistry Revision (Year 13) "Directing Groups in the Reactions of Benzene" (OCR) 4:21 2023-10-17
155 A Level Chemistry Revision (Year 13) "The Reactions of Phenol" 4:38 2023-10-17
156 A Level Chemistry Revision (Year 13) "Friedel-Crafts Alkylation and Acylation of Benzene" 4:15 2023-10-16
157 GCSE Chemistry Revision "Fractional Distillation" 4:39 2023-10-15
158 A Level Chemistry Revision (Year 13) "Bromination of Benzene" 3:40 2023-10-09
159 GCSE Chemistry Revision "Simple Distillation" 3:15 2023-10-05
160 A Level Chemistry Revision (Year 13) "Nitration of Benzene" 3:15 2023-10-05
161 GCSE Chemistry Revision "Filtration and Crystallisation" 4:12 2023-10-04
162 A Level Chemistry Revision (Year 13) "Electrophilic Substitution in Benzene" 5:35 2023-10-04
163 GCSE Chemistry Revision "Interpreting a Chemical Formula" 4:24 2023-10-03
164 A Level Chemistry Revision "Naming Aromatic Compounds" 5:39 2023-09-29
165 GCSE Chemistry Revision "Elements, Compounds and Mixtures" 4:18 2023-09-29
166 A Level Chemistry Revision (Year 13) "The Structure of Benzene" 5:00 2023-09-27
167 A Level Biology Revision "Using a Respirometer" 4:54 2023-09-18
168 A Level Biology Revision "Respiratory Quotient (OCR)" 4:21 2023-09-18
169 A Level Biology Revision "Respiration Using Lipids and Proteins" 3:53 2023-09-13
170 A Level Biology Revision "Anaerobic Respiration" 5:11 2023-09-08
171 A Level Biology Revision "Oxidative Phosphorylation" 5:01 2023-09-05
172 A Level Biology Revision "The Krebs Cycle" 4:42 2023-09-04
173 A Level Biology Revision "The Link Reaction" 4:16 2023-08-31
174 A Level Biology Revision "Glycolysis" 4:38 2023-08-30
175 A Level Biology Revision "ATP and Hydrogen Carriers" 4:57 2023-08-29
176 A Level Biology "Methods of Maintaining Biodiversity" 4:41 2023-08-24
177 A Level Biology Revision "Reasons for Maintaining Biodiversity" 4:19 2023-08-23
178 A Level Biology Revision "The Factors Affecting Biodiversity" 4:45 2023-08-20
179 A Level Biology Revision "Sampling Techniques used in Biology" 4:28 2023-08-17
180 A Level Biology Revision "Random and Non-Random Sampling" 4:16 2023-08-16
181 A Level Biology Revision "Factors Affecting Genetic Biodiversity" 5:28 2023-08-16
182 A Level Biology Revision "Calculating Genetic Biodiversity" 3:46 2023-08-14
183 A Level Biology Revision "Calculating Biodiversity" 4:45 2023-08-14
184 A Level Biology Revision "Biodiversity" 4:58 2023-08-14
185 A Level Biology Revision "Stabilising Selection and Directional Selection" 4:28 2023-08-12
186 A Level Biology Revision "Evolution by Natural Selection" 4:37 2023-08-09
187 A Level Biology Revision "Adaptations" 5:27 2023-08-06
188 A Level Biology Revision "Continuous Variation and Standard Deviation" 4:58 2023-08-04
189 A Level Biology Revision "Sources of Medicines" 3:29 2023-07-16
190 A Level Biology Revision "Electron Microscopy" 5:17 2023-07-07
191 A Level Biology Revision "Genetic and Environmental Causes of Variation" 4:59 2023-07-07
192 A Level Biology Revision "Evidence for Evolution" 6:30 2023-07-06
193 A Level Biology Revision "Magnification" 6:12 2023-07-06
194 A Level Biology Revision "Phylogeny and Phylogenetic Trees" 3:41 2023-07-05
195 A Level Biology Revision "Laser Scanning Confocal Microscopy" 3:05 2023-07-03
196 A Level Biology Revision "Light Microscopy and Resolution" 4:37 2023-07-02
197 A Level Biology Revision "Domains and Kingdoms in Classification" 6:22 2023-06-30
198 A Level Biology Revision "Surface Area to Volume Ratio" 5:41 2023-06-28
199 A Level Biology Revision "Cell Fractionation" 4:49 2023-06-26
200 A Level Biology Revision "Classification of Species" 4:29 2023-06-22
201 A Level Biology Revision "Vacuoles in Cells" 3:23 2023-06-17
202 A Level Biology Revision "The Cell Wall" 3:36 2023-06-16
203 A Level Biology Revision "Centrioles, Cilia and Flagella (OCR)" 4:06 2023-06-11
204 A Level Biology Revision "The Cytoskeleton (OCR)" 2:42 2023-06-11
205 A Level Biology Revision "Chloroplasts" 3:46 2023-06-11
206 A Level Biology Revision "Mitochondria" 3:08 2023-06-10
207 A Level Biology Revision "The Endoplasmic Reticulum and Golgi Apparatus" 5:31 2023-06-07
208 A Level Biology Revision "Lysosomes" 2:58 2023-06-07
209 A Level Biology Revision "The Structure and Function of the Nucleus" 4:29 2023-06-07
210 A Level Biology Revision "Viruses" 3:03 2023-06-06
211 A Level Biology Revision "Prokaryotic Cells". 5:02 2023-06-06
212 A Level Biology Revision "Eukaryotic Cells". 3:51 2023-06-06
213 A Level Biology Revision "T Lymphocytes and Cell-Mediated Immunity" 5:22 2023-06-06
214 A Level Biology Revision "The ELISA Test (AQA)" 3:30 2023-06-01
215 A Level Biology Revision "Human Immunodeficiency Virus (HIV)" 5:17 2023-06-01
216 A Level Biology Revision "Antibiotics and Antibiotic Resistance" (OCR) 5:51 2023-05-31
217 A Level Biology Revision "Autoimmune Diseases" (OCR) 3:49 2023-05-31
218 A Level Biology Revision "Vaccination and Herd Immunity" 5:38 2023-05-29
219 A Level Biology Revision "Active and Passive Immunity" 5:27 2023-05-29
220 A Level Biology Revision "B Lymphocytes and Humoral Immunity" 6:17 2023-04-21
221 A Level Biology Revision "Antigens and Antibodies" 5:27 2023-04-20
222 A Level Biology Revision "Neutrophils, Macrophages and Phagocytosis" 5:10 2023-03-15
223 A Level Biology Revision "Blood Clotting and Inflammation" 5:02 2023-03-13
224 A Level Biology Revision "Non-specific Defences Against Pathogens" 3:22 2023-03-10
225 A Level Biology Revision "Communicable Diseases and Pathogens" 4:56 2023-03-09
226 A Level Chemistry Revision "The Equilibrium Constant Kc" 4:57 2023-03-08
227 A Level Biology Revision "Cardiac Output" 4:49 2023-02-26
228 A Level Chemistry Revision "Testing for Ammonium Ions" 1:30 2023-02-14
229 A Level Chemistry Revision "Testing for Sulfate Ions" 3:15 2023-02-09
230 A Level Chemistry Revision "Testing for Halide Ions" 4:07 2023-02-09
231 A Level Chemistry Revision "Testing for Carbonate Ions" 3:23 2023-02-08
232 A Level Chemistry Revision "Le Chatelier's Principle and Temperature" 4:05 2023-02-07
233 A Level Chemistry Revision "Le Chatelier's Principle and Pressure" 4:29 2023-02-05
234 A Level Chemistry Revision "Le Chatelier's Principle and Concentration" 4:52 2023-02-02
235 A Level Chemistry Revision "Reversible Reactions and Dynamic Equilibria" 4:37 2023-02-01
236 A Level Chemistry Revision "The Maxwell-Boltzmann Distribution Curve" 4:17 2023-01-23
237 A Level Chemistry Revision "Heterogeneous and Homogeneous Catalysts" 3:52 2023-01-23
238 A Level Chemistry "The Effect of Catalysts on the Rate of Reaction". 4:33 2023-01-19
239 A Level Chemistry "Using a Tangent to Calculate the Rate of a Reaction" 3:55 2023-01-17
240 A Level Chemistry "Collision Theory and Rates of Reaction". 4:13 2023-01-15
241 A Level Chemistry Revision "Reaction between Halides and Concentrated Sulfuric Acid" 5:05 2023-01-03
242 A Level Chemistry Revision "Disproportionation Reactions of Halogens" 4:50 2023-01-03
243 A Level Chemistry Revision "Displacement Reactions of Halogens" 4:52 2023-01-03
244 A Level Chemistry Revision "Reactivity of Group 7" 3:11 2023-01-01
245 A Level Chemistry Revision "Properties of Group 7 (The Halogens)" 4:07 2022-12-23
246 A Level Chemistry Revision "Properties of Group 2 Compounds". 4:51 2022-12-05
247 A Level Chemistry Revision "Group 2 Hydroxides" 4:47 2022-11-30
248 A Level Chemistry Revision "Redox Reactions of Group 2 Elements with Dilute Acid and Chlorine". 3:17 2022-11-21
249 A Level Chemistry Revision "Redox Reactions of Group 2 Elements with Oxygen and Water". 4:30 2022-11-18
250 A Level Chemistry Revision "Reactivity of Group 2 Elements" 3:19 2022-11-16
251 A Level Chemistry Revision "Giant Covalent Structures and Simple Molecular Structures" 5:18 2022-11-14
252 A Level Chemistry Revision "Periodic Trends in Bonding and Structure: Metallic Bonding" 3:41 2022-11-04
253 A Level Chemistry Revision "Trend in First Ionisation Energy Down a Group" 4:46 2022-10-31
254 A Level Chemistry Revision "Trend in First Ionisation Energy Across a Period" 4:12 2022-10-28
255 A Level Chemistry Revision "Periodic Trends in Atomic Radius" 3:33 2022-10-26
256 A Level Chemistry Revision "Periodic Trends in Electron Configuration" 5:38 2022-10-24
257 A Level Biology Revision "Translocation in the Phloem" 5:04 2022-10-20
258 A Level Biology Revision "Xerophytic Adaptations of Plants" 4:21 2022-10-19
259 A Level Biology Revision "Factors that Affect the Rate of Transpiration" 4:09 2022-10-17
260 A Level Chemistry Revision "Markownikoff's Rule for Electrophilic Addition to Alkenes" 5:35 2022-10-14
261 A Level Biology Revision "How do Stomata Control the Rate of Transpiration?" 3:42 2022-10-14
262 A Level Biology Revision "The Bubble Potometer and the Mass Potometer" 4:27 2022-10-12
263 A Level Biology Revision "Transpiration and the Cohesion-Tension Theory" 4:55 2022-10-12
264 A Level Biology Revision "Movement of Water Through the Roots of a Plant" 5:29 2022-10-04
265 A Level Biology "The Structure and Functions of Phloem" 3:21 2022-10-03
266 A Level Biology Revision "The Structure and Functions of Xylem" 3:38 2022-10-02
267 A Level Biology "The Location and Structure of the Vascular Bundle" 4:01 2022-09-30
268 A Level Biology Revision "Why do Plants Need a Specialised Transport System?" 4:14 2022-09-22
269 A Level Biology Revision "Interpreting an Electrocardiogram (OCR / Edexcel)" 5:34 2022-09-15
270 A Level Biology Revision "Pressure Changes during the Cardiac Cycle" 3:35 2022-09-14
271 A level Biology Revision "The Cardiac Cycle" 2:51 2022-09-13
272 A Level Biology Revision "Initiation and Coordination of the Action of the Heart" 3:20 2022-09-13
273 A Level Biology Revision "The Structure of the Human Heart" 4:24 2022-09-12
274 A Level Biology Revision "Transport of Carbon Dioxide (OCR)" 4:41 2022-07-18
275 A Level Biology Revision "Fetal Haemoglobin (OCR/Edexcel). 3:36 2022-07-12
276 A Level Biology Revision "Haemoglobin and the Bohr Effect" 4:44 2022-07-05
277 A Level Biology Revision "Haemoglobin and the Oxygen Dissociation Curve" 6:01 2022-06-29
278 A Level Biology Revision "Tissue Fluid and Lymph Fluid" 5:43 2022-06-21
279 A Level Biology Revision "The Structure and Function of Veins" 4:10 2022-06-14
280 A Level Chemistry Revision "Dehydration of Alcohols" 3:39 2022-06-08
281 A Level Biology Revision "Structure and Function of Capillaries" 3:24 2022-05-31
282 A Level Biology Revision "Arteries and Arterioles" 4:27 2022-05-24
283 A Level Biology Revision "The Human Circulatory System" 3:44 2022-05-20
284 A Level Biology Revision "Single and Double Circulatory Systems" 5:50 2022-05-18
285 A Level Biology "Breathing in Humans" 5:01 2022-05-11
286 A Level Biology Revision "Gas Exchange in Mammals" 5:32 2022-05-05
287 A Level Biology Revision "Gas Exchange in Bony Fish" 6:48 2022-05-01
288 A Level Biology Revision "Gas Exchange in Insects" 6:19 2022-04-25
289 A Level Biology Revision "Surface Area to Volume Ratio" 5:23 2022-04-20
290 A Level Chemistry Revision "Chlorofluorocarbons and the Ozone Layer" 5:21 2022-04-18
291 A Level Chemistry Revision "Elimination Reaction of Haloalkanes" 3:15 2022-04-13
292 A Level Chemistry Revision "Nucleophilic Substitution of Haloalkanes with Ammonia and Cyanide ions" 4:23 2022-04-11
293 A Level Chemistry Revision "The Rate of Hydrolysis of Haloalkanes by Nucleophilic Substitution" 4:54 2022-03-29
294 A Level Chemistry Revision "Hydrolysis of Haloalkanes by Nucleophilic Substitution" 4:00 2022-03-28
295 A Level Chemistry Revision "Structure and Properties of Haloalkanes" 3:55 2022-03-24
296 A Level Chemistry Revision "Balancing Equations for the Complete Combustion of Alcohols" 4:34 2022-03-23
297 A Level Chemistry Revision "Formation of Haloalkanes from Alcohols" 3:08 2022-03-22
298 A Level Chemistry Revision "Oxidation of Secondary and Tertiary Alcohols" 3:15 2022-02-24
299 A Level Chemistry Revision "Oxidation of Primary Alcohols" 4:25 2022-02-23
300 A Level Chemistry Revision "Volatility and Solubility of Alcohols" 4:51 2022-02-22
301 A Level Chemistry Revision "Primary, Secondary and Tertiary Alcohols" 3:31 2022-02-21
302 A Level Chemistry Revision "Environmental Effects of Addition Polymers" 3:41 2022-02-11
303 A Level Chemistry Revision "Addition Polymers" 6:12 2022-02-09
304 A Level Chemistry Revision "Reaction between Alkenes and Sulfuric Acid" 3:52 2022-02-03
305 A Level Chemistry Revision "Electrophilic Addition of a Halogen to Alkenes" 4:59 2022-02-01
306 A Level Chemistry Revision "Hydrogenation of Alkenes" 2:55 2022-02-01
307 A Level Chemistry Revision "Hydration of Alkenes" 4:30 2022-02-01
308 A Level Chemistry Revision "Naming Branched Chain Hydrocarbons" 5:22 2022-01-25
309 A Level Chemistry Revision "Electrophilic Addition of Hydrogen Halide to Alkenes" 4:50 2022-01-20
310 A Level Chemistry Revision "The Structure and Reactivity of Alkenes" 4:21 2022-01-18
311 A Level Chemistry "Free Radical Substitution of Alkanes" 5:46 2022-01-16
312 A Level Chemistry Revision "Thermal Cracking and Catalytic Cracking of Alkanes" 4:17 2022-01-12
313 A Level Chemistry Revision "Separation of Alkanes by Fractional Distillation" 4:40 2022-01-10
314 A Level Chemistry Revision "The Structure and Properties of Alkanes" 4:33 2022-01-06
315 A Level Biology Revision "Vacuoles in Cells" 2:59 2022-01-05
316 A Level Biology Revision "The Cell Wall" 3:19 2022-01-04
317 A Level Biology Revision "Centrioles, Cilia and Flagella (OCR)" 3:42 2022-01-04
318 A Level Biology Revision "Stages of Meiosis". 6:17 2021-12-06
319 A Level Biology Revision "Cell Division by Meiosis". 5:10 2021-11-23
320 A Level Biology Revision "Stages in Mitosis" 3:52 2021-11-21
321 A Level Biology Revision "Cell Division by Mitosis" 4:18 2021-11-08
322 A Level Biology Revision "The Cell Cycle" 5:37 2021-11-05
323 A Level Chemistry Revision "Structural Isomers" 5:24 2021-11-03
324 A Level Chemistry Revision "E / Z Isomers" 5:19 2021-10-28
325 A Level Chemistry Revision "Cis-Trans Isomers" 5:19 2021-10-26
326 A Level Chemistry Revision "General Formula" 3:55 2021-10-20
327 A Level Chemistry Revision "Displayed Formula, Structural Formula and Skeletal Formula" 5:10 2021-10-19
328 A Level Chemistry Revision "Molecular Formula and Empirical Formula" 5:25 2021-10-18
329 A Level Chemistry Revision "Naming Unbranched Hydrocarbons" 4:37 2021-10-14
330 A Level Chemistry "Functional Groups and Homologous Series" 3:45 2021-10-13
331 A Level Biology Revision "Endocytosis and Exocytosis OCR / Edexcel" 3:26 2021-10-12
332 A Level Biology Revision "The Effects of Osmosis on Animal and Plant Cells" 5:11 2021-10-11
333 A Level Biology Revision "Osmosis and Water Potential" 5:22 2021-10-10
334 A Level Biology Revision "Cotransport (AQA)" 4:46 2021-10-09
335 A Level Biology Revision "Active Transport" 4:46 2021-10-08
336 A Level Biology Revision "Facilitated Diffusion" 3:49 2021-09-26
337 A Level Biology Revision "Diffusion" 4:53 2021-09-26
338 A Level Biology Revision "Membrane Proteins" 3:10 2021-09-26
339 A Level Biology Revision "The Fluid-Mosaic Model of Membrane Structure" 5:22 2021-09-26
340 A Level Biology Revision "Cofactors, Coenzymes and Prosthetic Groups" 3:17 2021-09-26
341 A Level Biology Revision "End-Product Inhibition" 4:29 2021-09-25
342 A Level Biology "Non-Competitive Inhibitors" 2:35 2021-09-25
343 A Level Biology Revision "Competitive Inhibitors" 5:11 2021-09-24
344 A Level Biology Revision "The Effect of Substrate Concentration and Enzyme Concentration on Enzymes" 3:38 2021-09-10
345 A Level Biology Revision "The Effect of pH on Enzymes" 5:03 2021-09-08
346 A Level Biology Revision "The Effect of Temperature on Enzyme Controlled Reactions" 4:39 2021-09-06
347 A Level Biology Revision "Measuring the Rate of Enzyme Controlled Reactions" 4:12 2021-09-01
348 A Level Biology Revision "The Induced Fit Model of Enzyme Action" 2:36 2021-08-31
349 A Level Biology Revision "The Structure of Enzymes" 4:28 2021-08-30
350 A Level Chemistry Revision "Practise Questions on Bond Enthalpies" 3:33 2021-08-27
351 A Level Chemistry Revision "Bond Enthalpies" 4:57 2021-08-25
352 A Level Chemistry Revision "Questions on Enthalpy Cycles involving Enthalpy Changes of Combustion" 4:47 2021-08-23
353 A Level Chemistry Revision "Enthalpy Cycles involving Standard Enthalpy Changes of Combustion" 3:51 2021-08-20
354 A Level Chemistry Revision "Questions on Enthalpy Cycles" 5:04 2021-08-19
355 A Level Chemistry Revision "Introduction to Enthalpy Cycles" 5:22 2021-08-18
356 A Level Chemistry Revision "How to Determine the Standard Enthalpy Change of Reaction" 5:33 2021-07-08
357 A Level Chemistry Revision "Practise Questions on Standard Enthalpy Change of Combustion" 4:37 2021-07-07
358 A Level Chemistry Revision "Standard Enthalpy Change of Combustion" 5:22 2021-07-02
359 A Level Chemistry Revision "Standard Enthalpy Changes" 5:14 2021-06-30
360 A Level Chemistry Revision "Enthalpy" 4:27 2021-06-29
361 A Level Chemistry Revision "Using Oxidation Numbers in Chemical Reactions" 5:12 2021-06-16
362 A Level Chemistry Revision "Using Oxidation Numbers in Compounds" 4:53 2021-06-16
363 A Level Chemistry Revision "Oxidation Numbers" 4:37 2021-06-14
364 A Level Chemistry Revision "Half Equations" 3:51 2021-06-13
365 A Level Chemistry Revision "Introduction to Redox Reactions" 3:54 2021-06-10
366 A Level Chemistry Revision "Acids, Bases and Neutralisation" 5:19 2021-06-09
367 A Level Chemistry Revision "Properties of Simple Molecular Substances 2" 3:49 2021-06-07
368 A Level Chemistry Revision "Properties of Simple Molecular Substances" 4:12 2021-06-06
369 A Level Chemistry Revision "Hydrogen Bonding". 4:53 2021-02-19
370 A Level Chemistry Revision "Permanent Dipole-Dipole Interactions" 4:10 2021-02-17
371 A Level Chemistry Revision "Induced dipole-dipole interactions". 3:46 2021-02-15
372 A Level Chemistry Revision "Intermolecular Forces". 2:55 2021-02-13
373 A Level Chemistry Revision "Polar Bonds and Polar Molecules". 3:33 2021-02-11
374 A Level Chemistry Revision "Electronegativity". 3:49 2021-02-10
375 A Level Chemistry Revision "Effect of Lone Pairs on the Shape of Molecules". 5:13 2021-02-01
376 A Level Chemistry Revision "Shapes of Molecules". 6:30 2021-01-31
377 A Level Chemistry Revision "Dative Covalent Bonding". 2:30 2021-01-30
378 A Level Chemistry Revision "Covalent Bonding and Expansion of the Octet". 5:12 2021-01-29
379 A Level Chemistry Revision "Properties of Ionic Compounds". 2:43 2021-01-28
380 A Level Chemistry Revision "Ionic Bonding". 2:57 2021-01-27
381 A Level Biology Revision "ATP". 3:32 2021-01-22
382 A Level Biology Revision "Translation". 7:08 2021-01-20
383 A Level Biology Revision "Transcription" 4:45 2021-01-18
384 A Level Biology Revision "DNA and Chromosomes" 4:59 2021-01-15
385 A Level Biology Revision "Conservative vs Semi-conservative DNA replication" 6:43 2021-01-13
386 A Level Biology Revision "DNA Replication" 5:41 2021-01-11
387 A Level Biology Revision "The Structure of DNA and RNA" 4:48 2021-01-07
388 A Level Biology Revision "Nucleotides" 4:18 2021-01-05
389 A Level Chemistry Revision "Limiting Reagent" 6:03 2021-01-03
390 A Level Chemistry Revision "Water of Crystallisation Part 2" 6:14 2020-12-22
391 A Level Chemistry Revision "Calculating Percentage Yield" 4:58 2020-12-21
392 A Level Chemistry Revision "Calculating Atom Economy" 4:24 2020-12-21
393 A Level Chemistry Revision "Determining Water of Crystallisation by Titration Part 2" 4:34 2020-12-18
394 A Level Chemistry Revision "Determining Water of Crystallisation by Titration" 7:03 2020-12-17
395 A Level Chemistry Revision "How to Carry Out a Titration" 7:40 2020-12-16
396 A Level Chemistry Revision "Water of Crystallisation Part 1" 5:24 2020-12-10
397 A Level Chemistry Revision "Calculating Empirical Formula Part 2" 4:54 2020-12-07
398 A Level Chemistry Revision "Calculating Empirical Formula Part 1" 4:49 2020-12-05
399 A Level Chemistry Revision "The Mass Spectrometer" 6:30 2020-12-04
400 A Level Biology Revision "Using a Colorimeter to Quantify Glucose 2" 5:48 2020-10-21
401 A Level Biology Revision "Using a Colorimeter to Quantify Glucose 1" 4:39 2020-10-19
402 A Level Biology Revision "Testing for Reducing and Non-reducing sugars" 6:03 2020-10-18
403 A Level Biology Revision "Testing for Starch, Protein and Lipids" 4:06 2020-10-17
404 A Level Biology Revision "Phospholipids and Cholesterol" 4:30 2020-10-13
405 A Level Biology Revision "Triglycerides" 4:37 2020-10-11
406 A Level Biology Revision "Fibrous Proteins Collagen, Keratin and Elastin" 4:44 2020-10-10
407 A Level Chemistry Revisions "Using the Ideal Gas Equation to determine the Molar Mass of a Chemical" 4:02 2020-09-23
408 A Level Chemistry Revision "Using the Ideal Gas Equation in Chemical Reactions" 4:37 2020-09-23
409 A Level Chemistry Revision "Calculations Involving the Avogadro Constant Part 2" 3:47 2020-09-23
410 A Level Chemistry Revision "Calculations Involving the Avogadro Constant Part 1" 4:07 2020-09-23
411 A Level Chemistry Revision "Calculating the Amount of Substance from Mass" 4:34 2020-09-23
412 A Level Chemistry Revision "Calculations using the ideal gas equation" 3:27 2020-09-18
413 A Level Chemistry Revisions "The Ideal Gas Equation" 3:18 2020-09-16
414 A Level Chemistry Revision "Working with Gases" 4:38 2020-09-16
415 A Level Chemistry Revision "Working with Solutions 2" 5:06 2020-09-15
416 A Level Chemistry Revision "Working with Solutions Part 1" 5:22 2020-09-15
417 GCSE Chemistry Revision "Alkenes" (Triple) 3:54 2020-09-06
418 GCSE Chemistry Revision "Cracking" 4:45 2020-09-06
419 GCSE Chemistry Revision "Acids and Alkalis" 4:47 2020-09-03
420 GCSE Physics Revision "Required Practical 7: Acceleration" 3:39 2020-09-02
421 GCSE Biology Revision "Sampling Organisms" 5:58 2020-08-31
422 GCSE Chemistry Revision "Conservation of Mass" 4:07 2020-08-27
423 GCSE Physics Revision "Moments" (Triple) 4:03 2020-08-26
424 GCSE Physics Revision "Electromagnets" 4:01 2020-08-25
425 A Level Biology Revision "Globular Proteins 2 Insulin and Lysozyme" 2:38 2020-08-23
426 A Level Biology Revision "Globular Proteins 1 Haemoglobin" 3:18 2020-08-22
427 A Level Biology Revision "Bonding in Proteins" 4:23 2020-08-22
428 A Level Biology Revision "Tertiary Structure and Quaternary Structure of Proteins" 3:37 2020-06-25
429 A Level Biology Revision "Primary Structure and Secondary Structure of Proteins" 3:44 2020-06-24
430 A Level Biology Revision "Amino Acids" 4:12 2020-06-22
431 GCSE Biology Revision "Meiosis and Fertilisation" 3:46 2020-06-11
432 A Level Chemistry Revision "Relative Molecular Mass and Relative Formula Mass" 4:15 2020-05-28
433 A Level Chemistry Revision "Molecular Formula and Empirical Formula" 3:18 2020-05-27
434 A Level Chemistry Revision "Relative Atomic Mass" 4:36 2020-05-26
435 A Level Biology Revision "Structure and Function of Cellulose" 3:36 2020-05-14
436 A Level Biology Revision "Structure and Function of Glycogen" 2:33 2020-05-13
437 A Level Biology Revision "Starch Part 2: Amylopectin" 2:51 2020-05-12
438 A Level Biology Revision "Starch Part 1: Amylose" 3:07 2020-05-11
439 A Level Biology Revision "Biological Roles of Water" 2:46 2020-05-07
440 A Level Chemistry Revision "Formula of Ionic Compounds" 3:30 2020-05-05
441 A Level Chemistry Revision "Charges of Ions" 3:49 2020-05-04
442 A Level Chemistry Revision "Ionisation Energy across a Period" 3:37 2020-05-03
443 A Level Chemistry Revision "First Ionisation Energy down a Group" 2:11 2020-05-02
444 A Level Chemistry Revision "Successive Ionisation Energies" 4:33 2020-05-01
445 A Level Chemistry Revision "First Ionisation Energy" 3:50 2020-04-30
446 A Level Biology Revision "Hydrogen Bonding in Water" 3:25 2020-04-24
447 A Level Biology Revision "Disaccharides" 3:06 2020-04-24
448 A Level Biology Revision "Alpha and Beta Glucose" 2:22 2020-04-24
449 A Level Biology Revision "Monosaccharides" 3:03 2020-04-23
450 A Level Chemistry Revision "Electron Configuration" 4:36 2020-04-19
451 A Level Chemistry Revision "Atomic Orbitals" 4:53 2020-04-19
452 GCSE Biology Revision "Monoclonal Antibodies" (Triple) 2:58 2020-04-19
453 A Level Chemistry Revision "Electron Configuration of Ions 2" 3:44 2020-04-17
454 A Level Chemistry Revision "Electron Configuration of Ions" 3:32 2020-04-16
455 A Level Chemistry Revision "Shorthand Electron Configuration" 4:07 2020-04-15
456 A Level Chemistry Revision "Electron Configuration and the Periodic Table" 3:20 2020-04-11
457 A Level Chemistry Revision "Electron Configuration 2" 5:13 2020-04-10
458 GCSE Biology Revision "The Brain" (Triple) 3:15 2019-01-27
459 GCSE Chemistry Revision "Purity and Formulations" 3:14 2019-01-27
460 GCSE Chemistry Revision "Exothermic and Endothermic Reactions" 4:05 2018-11-13
461 Welcome to freesciencelessons 0:27 2018-08-08
462 GCSE Physics Revision "Lifecycle of Stars" (Triple) 3:52 2018-06-14
463 Silver Play Button 0:51 2018-06-04
464 GCSE Biology Revision The Nitrogen Cycle (Triple) 4:42 2018-05-24
465 GCSE Chemistry Revision "Required Practical 7: Identifying Ions" (Triple) 3:44 2018-05-23
466 GCSE Chemistry Revision "Required practical 8: Water" 4:06 2018-05-21
467 GCSE Biology Revision "Role of Biotechnology" (Triple) 3:01 2018-05-20
468 GCSE Biology Revision "Sustainable Fisheries" (Triple) 2:33 2018-05-20
469 GCSE Biology Revision "Modern Farming Methods" (Triple) 4:24 2018-05-20
470 GCSE Biology Revision "Food Security" (Triple) 3:04 2018-05-18
471 GCSE Biology Revision "Pyramids of Biomass" (Triple) 4:52 2018-05-17
472 GCSE Biology Revision "Trophic Levels" (Triple) 2:50 2018-05-16
473 GCSE Biology Revision "Maintaining Biodiversity" 3:48 2018-05-12
474 GCSE Biology Revision "Global Warming" 3:42 2018-05-12
475 GCSE Biology Revision "Land Use" 2:36 2018-05-12
476 GCSE Biology Revision "Waste Management" 2:59 2018-05-12
477 GCSE Biology Revision "Biodiversity" 2:16 2018-05-12
478 GCSE Biology Revision "Environmental Change" (Triple) 4:00 2018-05-10
479 GCSE Chemistry Revision "Required Practical 3: Electrolysis" 3:57 2018-05-10
480 GCSE Biology Revision "Required Practical 10: Decay" (Triple) 4:39 2018-05-05
481 GCSE Biology Revision "Decomposition" (Triple) 3:44 2018-05-05
482 GCSE Biology Revision "The Water Cycle" 2:12 2018-05-04
483 GCSE Biology Revision "The Carbon Cycle" 4:00 2018-05-03
484 GCSE Biology Revision "Mean, Median and Mode" 4:04 2018-05-03
485 GCSE Biology Revision "Required Practical 9: Sampling Organisms" 4:34 2018-05-02
486 GCSE Chemistry Revision "Required Practical 4: Temperature Changes" 4:50 2018-05-01
487 GCSE Biology Revision "Food Chains and Predator-Prey Cycles" 5:09 2018-04-28
488 GCSE Biology Revision "Adaptations" 5:14 2018-04-28
489 GCSE Biology Revision "Biotic and Abiotic Factors" 4:10 2018-04-27
490 GCSE Biology Revision "Competition and Interdependence" 4:26 2018-04-27
491 GCSE Physics Revision "Required Practical 2: Thermal Insulators" (Triple) 3:28 2018-04-26
492 GCSE Biology Revision "Uses of Plant Hormones" (Triple) 2:16 2018-04-26
493 GCSE Biology Revision "Required Practical 8: Plant Responses" (Triple) 4:26 2018-04-22
494 GCSE Biology Revision "Plant Hormones" (Triple) 3:18 2018-04-21
495 GCSE Biology Revision "Required Practical 7: Reaction Time" 4:33 2018-04-20
496 GCSE Biology Revision "Negative Feedback" 3:19 2018-04-20
497 GCSE Biology Revision "Hormones to Treat Infertility" 3:09 2018-04-19
498 GCSE Biology Revision "Contraception" 4:57 2018-04-19
499 GCSE Biology Revision "The Menstrual Cycle" 5:07 2018-04-17
500 GCSE Biology Revision "Maintaining the Body's Water Balance" (Triple) 5:36 2018-04-17
501 GCSE Biology Revision "The Kidneys" (Triple) 5:26 2018-04-14
502 GCSE Biology Revision "Control of Blood Glucose Concentration" 5:26 2018-04-13
503 GCSE Biology Revision "The Endocrine System" 3:20 2018-04-13
504 GCSE Biology Revision "Thermoregulation" (Triple) 3:28 2018-04-12
505 GCSE Biology Revision "How the Eye Focuses" (Triple) 4:44 2018-04-12
506 GCSE Biology Revision "The Eye" (Triple) 3:35 2018-04-12
507 GCSE Biology Revision "The Nervous System" 3:40 2018-04-09
508 GCSE Biology Revision "Homeostasis" 3:57 2018-04-09
509 GCSE Biology Revision "Classification" 4:26 2018-04-09
510 GCSE Biology Revision "Evidence for Evolution: Resistant Bacteria" 3:32 2018-04-09
511 GCSE Biology Revision "Evidence for Evolution: Fossils" 3:00 2018-04-09
512 GCSE Biology Revision "Mendel and Genetics" (Triple) 3:00 2018-04-08
513 GCSE Biology Revision "Speciation" (Triple) 3:40 2018-04-08
514 GCSE Biology Revision "Darwin and Natural Selection" (Triple) 4:01 2018-04-04
515 GCSE Biology Revision "Cloning Animals" (Triple) 3:29 2018-04-03
516 GCSE Biology Revision "Cloning Plants" (Triple) 2:55 2018-04-03
517 GCSE Biology Revision "Genetic Engineering" 4:00 2018-04-03
518 GCSE Biology Revision "Selective Breeding" 2:54 2018-04-03
519 GCSE Biology Revision "Evolution by Natural Selection" 4:11 2018-04-03
520 GCSE Biology Revision "Variation" 3:02 2018-04-02
521 GCSE Biology Revision "Inheritance of Sex" 2:24 2018-03-31
522 GCSE Biology Revision "Family Trees" 4:47 2018-03-30
523 GCSE Biology Revision "Polydactyly" 3:36 2018-03-30
524 GCSE Biology Revision "Cystic Fibrosis" 4:42 2018-03-30
525 GCSE Biology Revision "Alleles" 4:33 2018-03-29
526 GCSE Biology Revision "Mutations" (Triple) 2:50 2018-03-29
527 GCSE Biology Revision "Protein Synthesis" (Triple) 3:52 2018-03-29
528 GCSE Physics Revision "The Alternator and Dynamo" (Triple) 4:47 2018-03-23
529 GCSE Chemistry Revision "Using the Earth's Resources" 3:00 2018-03-23
530 GCSE Biology Revision "DNA Structure" (Triple) 2:25 2018-03-22
531 GCSE Biology Revision "DNA and the Genome" 3:29 2018-03-21
532 GCSE Biology Revision "Advantages + Disadvantages of Sexual / Asexual Reproduction" (Triple) 4:08 2018-03-21
533 GCSE Biology Revision "Sexual and Asexual Reproduction" 3:39 2018-03-20
534 GCSE Physics Revision "Red-Shift" (Triple) 3:10 2018-03-17
535 GCSE Physics Revision "Orbital Motion" (Triple) 3:13 2018-03-17
536 GCSE Physics Revision "The Solar System" (Triple) 3:50 2018-03-16
537 GCSE Physics Revision "Required Practical 4: Current / PD Characteristics" 4:07 2018-03-15
538 GCSE Physics Revision "Transformer Calculations" (Triple) 4:58 2018-03-13
539 GCSE Physics Revision "Transformers" (Triple) 3:34 2018-03-13
540 GCSE Physics Revision "The Microphone" (Triple) 1:57 2018-03-12
541 GCSE Physics Revision "The Electric Motor" 2:57 2018-03-11
542 GCSE Physics Revision "The Generator Effect" (Triple) 3:30 2018-03-09
543 GCSE Physics Revision "Loudspeakers and Headphones" (Triple) 2:15 2018-03-08
544 GCSE Physics Revision "The Motor Effect" 4:19 2018-03-07
545 GCSE Physics Revision "Electromagnetic Devices" (Triple) 3:07 2018-03-06
546 GCSE Physics Revision "Magnetic Fields" 4:04 2018-03-06
547 GCSE Biology Revision "The Immune System" 3:35 2018-03-04
548 GCSE Physics Revision "Permanent and Induced Magnets" 2:58 2018-03-02
549 GCSE Physics Revision "Change in Momentum" (Triple) 3:43 2018-03-02
550 GCSE Physics Revision "Conservation of Momentum" (Triple) 4:15 2018-03-02
551 GCSE Physics Revision "Momentum" 3:56 2018-03-02
552 GCSE Physics Revision "Force and Braking" 3:39 2018-03-02
553 GCSE Physics Revision "Vehicle Stopping Distance" 3:47 2018-03-01
554 GCSE Physics Revision "Forces Acting on a Skydiver" (Triple) 4:06 2018-02-24
555 GCSE Physics Revision "Newton's Third Law of Motion" 2:16 2018-02-23
556 GCSE Physics Revision "Newton's Second Law of Motion" 5:29 2018-02-23
557 GCSE Physics Revision "Newton's First Law of Motion" 3:48 2018-02-22
558 GCSE Physics Revision "Acceleration 2" 4:51 2018-02-21
559 GCSE Physics Revision "Acceleration" 5:53 2018-02-19
560 GCSE Physics Revision "Distance-Time Graphs" 4:50 2018-02-19
561 GCSE Physics Revision "Velocity" 3:17 2018-02-18
562 GCSE Physics Revision "Speed" 4:53 2018-02-18
563 GCSE Physics Revision "Pressure in Fluids" (Triple) 3:50 2018-02-18
564 GCSE Physics Revision "Floating or Sinking" (Triple) 4:57 2018-02-18
565 GCSE Physics Revision "Levers and Gears" (Triple) 3:31 2018-02-16
566 GCSE Physics Revision "Balanced Moments" (Triple) 4:25 2018-02-14
567 GCSE Physics Revision "Required Practical 6: Stretching a Spring" 4:19 2018-02-13
568 GCSE Physics Revision "Forces and Elasticity" 4:12 2018-02-13
569 GCSE Physics Revision "Gravity and Weight" 4:16 2018-02-13
570 GCSE Physics Revision "Contact and Non-contact Forces" 3:41 2018-02-12
571 GCSE Physics Revision "Work done and Energy Transfer" 4:29 2018-02-10
572 GCSE Physics Revision "Resolving Forces" 4:19 2018-02-10
573 GCSE Physics Revision "Vector Diagrams" 3:49 2018-02-09
574 GCSE Physics Revision "Resultant Forces" 4:23 2018-02-09
575 GCSE Physics Revision "Scalar and Vector Quantities" 3:02 2018-02-08
576 GCSE Physics Revision "Black Body Radiation" (Triple) 3:51 2018-02-02
577 GCSE Physics Revision "Visible Light" (Triple) 4:12 2018-02-01
578 GCSE Physics Revision "Concave Lenses" (Triple) 2:49 2018-02-01
579 GCSE Physics Revision "Magnifying Glasses" (Triple) 3:34 2018-01-31
580 GCSE Physics Revision "Convex Lenses" (Triple) 4:52 2018-01-30
581 GCSE Physics Revision "Uses of EM waves" 4:19 2018-01-29
582 GCSE Physics Revision "Properties of Waves 2" 3:49 2018-01-28
583 GCSE Physics Revision "Required Practical 10: Infrared" 3:27 2018-01-28
584 GCSE Physics Revision "Refraction of Waves" 3:55 2018-01-27
585 GCSE Physics Revision "Electromagnetic Waves" 3:47 2018-01-26
586 GCSE Physics Revision "Seismic Waves" (Triple) 4:22 2018-01-25
587 GCSE Physics Revision "Ultrasound" (Triple) 3:14 2018-01-21
588 GCSE Physics Revision "Sound Waves" (Triple) 4:11 2018-01-19
589 GCSE Physics Revision "Required practical 9: Reflection and Refraction" (Triple) 3:32 2018-01-18
590 GCSE Physics Revision "Reflection of Waves" (Triple) 3:56 2018-01-18
591 GCSE Physics Revision "Required Practical 8: Waves in a solid" 4:18 2018-01-16
592 GCSE Physics Revision "Required Practical 8: Ripple Tank" 4:07 2018-01-14
593 GCSE Physics Revision "The Wave Equation" 5:23 2018-01-14
594 GCSE Physics Revision "Properties of Waves" 4:21 2018-01-13
595 GCSE Physics Revision "Transverse and Longitudinal Waves" 4:13 2018-01-12
596 GCSE Chemistry Revision "NPK Fertilisers" (Triple) 4:48 2018-01-11
597 GCSE Chemistry Revision "Metal Hydroxide Precipitates" (Triple) 2:57 2018-01-11
598 GCSE Chemistry Revision "The Haber Process" (Triple) 4:20 2018-01-04
599 GCSE Chemistry Revision "Thermosoftening and Thermosetting Polymers" (Triple) 3:00 2018-01-03
600 GCSE Chemistry Revision "Ceramics and Composites" (Triple) 3:18 2018-01-03
601 GCSE Chemistry Revision "Alloys" (Triple) 3:36 2018-01-02
602 GCSE Chemistry Revision "Corrosion" (Triple) 4:08 2018-01-02
603 GCSE Chemistry Revision "Recycling" 2:35 2017-12-25
604 GCSE Chemistry Revision "Life-Cycle Assessment" 5:04 2017-12-25
605 GCSE Chemistry Revision "Alternative Methods of Extracting Metals" 3:07 2017-12-24
606 GCSE Chemistry Revision "Waste Water Treatment" 3:43 2017-12-24
607 GCSE Chemistry Revision "Potable Water" 3:04 2017-12-23
608 GCSE Chemistry Revision "Pollutants from Fuels" 4:23 2017-12-22
609 GCSE Chemistry Revision "Carbon Footprint" 3:11 2017-12-19
610 GCSE Chemistry Revision "Climate Change" 3:48 2017-12-18
611 GCSE Chemistry Revision "The Greenhouse Effect" 3:08 2017-12-18
612 GCSE Chemistry Revision "Fossil Fuels" 2:41 2017-12-17
613 GCSE Chemistry Revision "The Atmosphere" 4:14 2017-12-15
614 GCSE Chemistry Revision "Identifying non-metal ions" (Triple) 2:19 2017-12-09
615 GCSE Chemistry Revision "Flame Tests" (Triple) 3:56 2017-12-07
616 GCSE Chemistry Revision "Testing for Gases" 2:26 2017-12-05
617 GCSE Chemistry Revision "Required Practical 6: Chromatography" 4:36 2017-12-04
618 GCSE Chemistry Revision "DNA" (Triple) 2:23 2017-11-28
619 GCSE Chemistry Revision "Condensation Polymers" (Triple) 3:26 2017-11-28
620 GCSE Chemistry Revision "Addition Polymers" (Triple) 4:11 2017-11-27
621 GCSE Chemistry Revision "Carboxylic Acids" (Triple) 3:41 2017-11-27
622 GCSE Chemistry Revision "Reactions of Alcohols" (Triple) 4:22 2017-11-22
623 GCSE Chemistry Revision "Alcohols" (Triple) 3:34 2017-11-22
624 GCSE Science Revision Chemistry "Reactions of Alkenes 2" (Triple) 2:56 2017-11-20
625 GCSE Chemistry Revision "Reactions of Alkenes 1" (Triple) 3:12 2017-11-20
626 GCSE Chemistry Revision "Fractional Distillation of Crude Oil" 3:17 2017-11-13
627 GCSE Chemistry Revision "Combustion of Hydrocarbons" 4:39 2017-11-13
628 GCSE Chemistry Revision "Properties of Hydrocarbons" 2:36 2017-11-12
629 GCSE Chemistry Revision "Crude oil and Hydrocarbons" 4:38 2017-11-12
630 GCSE Chemistry Revision "Pressure and Reversible Reactions" 3:10 2017-11-11
631 GCSE Chemistry Revision "Temperature and reversible reactions" 3:08 2017-11-02
632 GCSE Chemistry Revision "Concentration and Reversible Reactions" 3:27 2017-11-02
633 GCSE Chemistry Revision "Reversible Reactions" 4:00 2017-11-02
634 GCSE Chemistry Revision "Catalysts" 3:03 2017-11-02
635 GCSE Chemistry Revision "Effect of Temperature on Rate" 3:31 2017-11-02
636 GCSE Chemistry Revision "Effect of Surface Area on Rate" 4:03 2017-11-01
637 GCSE Chemistry Revision "Required Practical 5: Rates of Reaction" 4:32 2017-10-29
638 GCSE Chemistry Revision "Effect of Concentration on Rate" 3:50 2017-10-29
639 GCSE Chemistry Revision "Using Tangents to Determine Rate" 3:55 2017-10-29
640 GCSE Biology Revision "Transpiration" 3:55 2017-10-27
641 GCSE Biology Revision "Plant Tissues" 4:05 2017-10-26
642 GCSE Biology Revision "Metabolism" 2:44 2017-10-19
643 GCSE Biology Revision "Exercise" 3:20 2017-10-19
644 GCSE Biology Revision "Respiration" 4:03 2017-10-19
645 GCSE Biology Revision "Limiting Factors" 4:14 2017-10-17
646 GCSE Biology Revision "Required Practical 6: Photosynthesis" 3:53 2017-10-13
647 GCSE Biology Revision "Uses of Glucose from Photosynthesis" 2:28 2017-10-12
648 GCSE Biology Revision "Photosynthesis" 5:13 2017-10-11
649 GCSE Biology Revision "Plant Defence Responses" (Triple) 3:07 2017-10-10
650 GCSE Biology Revision "Plant diseases 2" (Triple) 2:43 2017-10-05
651 GCSE Biology Revision "Uses of Monoclonal Antibodies" (Triple)" 3:24 2017-10-05
652 GCSE Biology Revision "Testing Medicines" 3:26 2017-10-04
653 GCSE Biology Revision "Antibiotics" 3:04 2017-10-03
654 GCSE Biology Revision "Vaccination" 3:18 2017-10-03
655 GCSE Biology Revision "Infectious Diseases in Plants" 2:15 2017-09-27
656 GCSE Biology Revision "Non-Specific Defence Systems" 3:10 2017-09-25
657 GCSE Biology Revision "Malaria" 3:15 2017-09-25
658 GCSE Biology Revision "Salmonella and Gonorrhoea" 3:05 2017-09-24
659 GCSE Biology Revision "Measles and HIV" 3:39 2017-09-24
660 GCSE Biology Revision "Pathogens" 4:24 2017-09-18
661 GCSE Biology Revision "Lifestyle and Disease" 4:14 2017-09-18
662 GCSE Biology Revision "Correlating Risk Factors" 4:53 2017-09-17
663 GCSE Biology Revision "Communicable and Non-Communicable Disease" 3:51 2017-09-17
664 GCSE Biology Revision "Cancer" 3:17 2017-09-17
665 GCSE Biology Revision "Gas Exchange in the Lungs" 3:13 2017-09-14
666 GCSE Biology Revision "Cardiovascular Diseases" 4:26 2017-09-12
667 GCSE Biology Revision "The Blood" 4:02 2017-09-11
668 GCSE Biology Revision "Arteries, Veins and Capillaries" 3:08 2017-09-11
669 GCSE Biology Revision "The Heart and Circulation" 4:43 2017-09-11
670 GCSE Biology Revision "Absorption in the Small Intestine" 2:28 2017-09-10
671 GCSE Physics Revision "Work Done on a Gas" (Triple) 1:58 2017-08-03
672 GCSE Physics Revision "Pressure in Gases" (Triple) 3:49 2017-08-03
673 GCSE Physics Revision "Particle Motion in Gases" 2:17 2017-08-03
674 GCSE Physics Revision "Specific Latent Heat" 4:30 2017-07-31
675 GCSE Physics Revision "Heating and Cooling Graphs" 3:03 2017-07-31
676 GCSE Physics Revision "Internal Energy" 3:32 2017-07-31
677 GCSE Physics Revision "Required Practical 5: Density" 3:24 2017-07-31
678 GCSE Physics Revision "Density" 4:01 2017-07-31
679 GCSE Physics Revision "Nuclear Fission and Nuclear Fusion" (Triple) 3:37 2017-07-26
680 GCSE Physics Revision "Nuclear Radiation in Medicine" (Triple) 3:47 2017-07-26
681 GCSE Physics Revision "Irradiation and Contamination" 5:09 2017-07-25
682 GCSE Physics Revision "Background Radiation" (Triple) 3:27 2017-07-25
683 GCSE Physics Revision "Half Life" 4:23 2017-07-25
684 GCSE Physics Revision "Nuclear Equations" 5:16 2017-07-19
685 GCSE Physics Revision "Properties of Alpha, Beta and Gamma Radiation" 2:46 2017-07-18
686 GCSE Physics Revision "Radioactivity" 3:37 2017-07-17
687 GCSE Physics Revision "Alpha-Scattering and the Nuclear Model" 4:37 2017-07-17
688 GCSE Physics Revision "Power of Components" 3:33 2017-07-17
689 GCSE Physics Revision "Atomic and Mass Numbers" 4:09 2017-07-13
690 GCSE Physics Revision "Atomic Structure" 3:07 2017-07-13
691 GCSE Physics Revision "Electric Fields (Triple)" 3:53 2017-07-10
692 GCSE Physics Revision "Static Electricity (Triple)" 3:55 2017-07-10
693 GCSE Physics Revision "Calculating Energy Transfer by Components" 3:06 2017-07-09
694 GCSE Physics Revision "The National Grid" 2:59 2017-07-05
695 GCSE Physics Revision "Mains Electricity" 4:34 2017-07-03
696 GCSE Physics Revision "DC and AC Supply" 4:22 2017-07-03
697 GCSE Physics Revision "Calculating Energy Transferred by Appliances" 3:46 2017-07-02
698 GCSE Physics Revision "Energy Transfer by Appliances" 4:02 2017-07-01
699 GCSE Physics Revision "Required Practical 3: Resistance" 4:31 2017-06-26
700 GCSE Physics Revision "Diodes and LEDs" 3:21 2017-06-26
701 GCSE Physics Revision "Thermistors" 3:30 2017-06-26
702 GCSE Physics Revision "Light-Dependent Resistors" 3:59 2017-06-25
703 GCSE Physics Revision "Resistors in Series and Parallel 5:12 2017-06-25
704 GCSE Physics Revision "Resistance of a Filament Lamp" 3:16 2017-06-22
705 GCSE Physics Revision "Resistors" 4:56 2017-06-19
706 GCSE Physics Revision "Resistance" 4:31 2017-06-19
707 GCSE Physics Revision "Potential Difference from Batteries" 3:32 2017-06-18
708 GCSE Physics Revision "Potential Difference in Parallel Circuits" 3:45 2017-06-17
709 GCSE Physics Revision "Potential Difference in Series Circuits" 4:36 2017-06-11
710 GCSE Physics Revision "Charge in Circuits" 2:36 2017-06-11
711 GCSE Physics Revision "Current in Parallel Circuits" 3:11 2017-06-08
712 GCSE Physics Revision "Current in Series Circuits" 3:56 2017-06-08
713 GCSE Physics Revision "Renewable Sources of Energy" 4:21 2017-06-06
714 GCSE Physics Revision "The UK Energy Mix" 4:24 2017-06-04
715 GCSE Physics Revision "Nuclear Power" 2:19 2017-06-04
716 GCSE Physics Revision "Energy from Fossil Fuels" 3:19 2017-06-01
717 GCSE Physics Revision "Required Practical 1: Specific Heat Capacity" 3:53 2017-06-01
718 GCSE Physics Revision "Cooling of Buildings" 3:03 2017-05-31
719 GCSE Physics Revision "Efficiency" 5:28 2017-05-30
720 GCSE Physics Revision "Calculating Power" 4:01 2017-05-30
721 GCSE Physics Revision "Work Done by a Force" 4:16 2017-05-30
722 GCSE Physics Revision "Energy Transfers: Bungee Jumper" 2:41 2017-05-30
723 GCSE Physics Revision "Energy Transfers: Pendulum" 3:58 2017-05-28
724 GCSE Physics Revision "Specific Heat Capacity" 3:56 2017-05-18
725 GCSE Physics Revision "Gravitational Potential Energy" 3:24 2017-05-18
726 GCSE Physics Revision "Elastic Potential Energy" 3:38 2017-05-15
727 GCSE Physics Revision "Kinetic Energy" 3:43 2017-05-15
728 GCSE Chemistry Revision "Electrolysis of Aqueous Solutions 2" 3:52 2017-05-08
729 GCSE Chemistry Revision "Electrolysis of Aqueous Solutions 1" 4:42 2017-05-06
730 GCSE Chemistry Revision "Electrolysis of Aluminium Oxide" 4:49 2017-05-04
731 GCSE Chemistry Revision "Introducing Electrolysis" 4:50 2017-05-04
732 GCSE Chemistry Revision "Titration Calculations 2" (Triple) 5:18 2017-04-23
733 GCSE Chemistry Revision "Titration calculations 1" (Triple) 5:06 2017-04-19
734 GCSE Chemistry Revision "Required Practical 2: Carrying out a Titration" (Triple) 3:42 2017-04-13
735 GCSE Chemistry Revision "Strong and Weak Acids" 4:27 2017-04-12
736 GCSE Chemistry Revision "Required Practical 1: Making Soluble Salts" 4:51 2017-04-11
737 GCSE Chemistry Revision "Three Reactions of Acids" 4:48 2017-04-10
738 GCSE Chemistry Revision "Acids Reacting with Metals 2" 4:00 2017-04-09
739 GCSE Chemistry Revision "Acids Reacting with Metals" 3:42 2017-04-09
740 GCSE Chemistry Revision "Oxidation and Reduction in Terms of Electrons" 4:00 2017-04-06
741 GCSE Chemistry Revision "Extraction of Metals" 4:14 2017-04-03
742 GCSE Chemistry Revision "The Reactivity Series" 4:34 2017-03-18
743 GCSE Chemistry Revision "Reaction of Metals with Oxygen" 3:27 2017-03-16
744 GCSE Chemistry Revision "Fuel Cells" (Triple) 4:04 2017-03-15
745 GCSE Chemistry Revision "Cells and Batteries" (Triple) 4:21 2017-03-13
746 GCSE Chemistry Revision "Using Concentration of Solutions 2" (Triple) 4:50 2017-03-13
747 GCSE Chemistry Revision "Bond Energy Calculations 2" 5:00 2017-03-08
748 GCSE Chemistry Revision "Bond Energy Calculations 1" 4:01 2017-03-07
749 GCSE Chemistry Revision "Using Gas Volumes 2" (Triple) 3:39 2017-03-05
750 GCSE Chemistry Revision "Using Gas Volumes" (Triple) 3:33 2017-03-05
751 GCSE Chemistry Revision "Using Concentration of Solutions 1" (Triple) 4:40 2017-02-23
752 GCSE Chemistry Revision "Atom Economy" (Triple) 4:28 2017-02-22
753 GCSE Chemistry Revision "Calculating Percentage Yield 2" (Triple) 3:56 2017-02-21
754 GCSE Chemistry Revision "Calculating Percentage Yield 1" (Triple) 4:12 2017-02-20
755 GCSE Chemistry Revision "Concentration of Solutions" 4:11 2017-02-19
756 GCSE Chemistry Revision "Limiting reactant" 5:07 2017-02-19
757 GCSE Chemistry Revision "Calculating Moles of a Compound" 6:16 2017-02-15
758 GCSE Chemistry Revision "Using Moles to Balance Equations" 5:03 2017-02-09
759 GCSE Chemistry Revision "Reacting Masses 2" 4:54 2017-02-07
760 GCSE Chemistry Revision "Reacting Masses 1" 5:36 2017-02-06
761 GCSE Chemistry Revision "Avogadro's Constant 2" 5:49 2017-02-05
762 GCSE Chemistry Revision "Avogadro's Constant 1" 4:40 2017-02-05
763 GCSE Chemistry Revision "Calculating Mass of a Number of Moles" 4:43 2017-01-31
764 GCSE Chemistry Revision "Calculating Moles of an Element" 5:16 2017-01-10
765 GCSE Chemistry Revision "Relative Formula Mass" 4:09 2016-12-29
766 GCSE Chemistry Revision "Balancing Chemical Equations" 5:47 2016-12-29
767 GCSE Chemistry Revision "Formula of Ionic Compounds" 5:12 2016-12-28
768 GCSE Chemistry Revision "Charges on Ions" 4:12 2016-12-28
769 GCSE Chemistry Revision "Chromatography" 5:04 2016-10-16
770 Studying English Language or Literature? 1:54 2016-09-11
771 A Level Biology Revision Protein Synthesis 2 3:48 2016-03-28
772 How to answer exam questions 2 6:58 2016-03-23
773 How to answer exam questions 1 5:23 2016-03-21
774 How to revise effectively. 5:21 2016-03-20
775 A Level Biology Revision: Protein synthesis 1 4:30 2016-03-16
776 A Level Biology Revision: Mitochondria 2:29 2016-03-02
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