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Videos and other bits 'n' bobs to help you revise and master even the toughest concepts in

GCSE & A-level Science.

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All of AQA CHEMISTRY Paper 2 in 25 minutes - GCSE Science Revision

23:52

All of AQA CHEMISTRY Paper 2 in 25 minutes - GCSE Science Revision

http://scienceshorts.net Join the Discord for support! https://discord.gg/pyvnUDq ---------------------------------------------------- I don't charge anyone to watch my videos, so please Super Thanks/donate if you can to keep me going! https://bit.ly/scienceshortsdonate ---------------------------------------------------- 00:00 Intro 00:20 C6: Rate & Extent of Chemical Reactions 00:25 Measuring rates 02:27 Reverisible reactions, equilibrium & Le Chatelier 04:45 Organic Chemistry 04:50 Hydrocarbons 05:37 Fraction distillation of crude oil 06:45 Uses of hydrocarbons 07:35 Testing for alkenes 08:14 Cracking 09:13 Alcohols & Carboxylic acids 10:15 Addition polymerisation 10:58 Condensation polymerisation 11:43 Amino acids, DNA & natural polymers 12:24 C8: Chemical analysis 12:30 Pure substances & formulations 12:57 Chromatography 13:48 Testing for gases 14:02 Testing for metal ions 14:42 Testing for carbonates, halides and sulphates 15:08 Instrumental methods 15:37 C9: Atmospheric chemistry - composition & greenhouse effect 17:08 Atmospheric pollutants 17:38 C10: Using resources & sustainability 17:57 Potable water 18:48 Treatment of waste water 19:17 Extracting metals 19:59 LCA - Life Cycle Assessments 20:40 Corrosion of metals 21:08 Alloys 21:47 Glass, ceramics & composites 22:10 Polymers 22:37 Haber Process 23:12 NPK fertilisers

All of AQA BIOLOGY Paper 2 in 25 minutes - GCSE Science Revision

24:03

All of AQA BIOLOGY Paper 2 in 25 minutes - GCSE Science Revision

http://scienceshorts.net Join the Discord for support! https://discord.gg/pyvnUDq ---------------------------------------------------- I don't charge anyone to watch my videos, so please Super Thanks/donate if you can to keep me going! https://bit.ly/scienceshortsdonate --------------------------------------------------- 00:00 Intro 00:28 B5 - HOMEOSTASIS & RESPONSE 00:36 Homeostasis 00:51 Nervous system 02:29 Brain (TRIPLE) 03:10 Eye (TRIPLE) 04:51 Thermoregulation (TRIPLE) 05:27 Endocrine system - glands & hormones 06:10 Controlling blood sugar: pancreas, insulin & diabetes 06:54 Controlling water & nitrogen levels (TRIPLE) 07:37 Kidney function (TRIPLE) 08:19 Menstrual cycle 09:07 Contraception 09:49 Fertility treatments - IVF 10:25 Adrenaline & thyroxine 10:54 Plant hormones, auxin, phototropism, geotropism (TRIPLE) 12:04 B6 - VARIATION, INHERITANCE & EVOLUTION 12:08 Meiosis 12:44 Sexual & asexual reproduction 13:15 DNA & protein synthesis 14:53 Inheritance - alleles, Punnett square 16:49 Variation, adaptation & evolution 18:36 Classification 19:15 B7 - ECOLOGY 19:20 Ecosystems, sampling with quadrats 20:11 Food chains 20:55 Carbon & water cycles 21:28 Biodiversity & human impact 22:46 Pyramids of biomass

OCR A 2019 AS Paper 2 - AS-level Physics Past Paper

31:13

OCR A 2019 AS Paper 2 - AS-level Physics Past Paper

Paper: https://www.ocr.org.uk/Images/620947-question-paper-breadth-in-physics.pdf Mark scheme: https://www.ocr.org.uk/Images/620969-mark-scheme-breadth-in-physics.pdf -------------------------------- http://scienceshorts.net Join the Discord for support! https://discord.gg/pyvnUDq -------------------------------- 00:00 Q1 - Tennis ball speed-time graph & kinetic energy 07:13 Q2 - Materials - stress strrain curves 09:52 Q3 - Uncertainties, springs, upthrust 17:40 Q4 - Resistor combinations 22:23 Q5 - Sound waves - interference pattern (double slit) 27:58 Q6 - Photoelectric effect, wave-particle duality ------------------------------- I don't charge anyone to watch my videos, so please donate if you can to keep me going! https://bit.ly/scienceshortsdonate

AQA AS 2021 Paper 1 - AS-level Physics Past Paper

35:40

AQA AS 2021 Paper 1 - AS-level Physics Past Paper

Paper: https://filestore.aqa.org.uk/sample-papers-and-mark-schemes/2021/november/AQA-74071-QP-NOV21.PDF Mark scheme: https://filestore.aqa.org.uk/sample-papers-and-mark-schemes/2021/november/AQA-74071-MS-NOV21.PDF --------------------------------------- http://scienceshorts.net Join the Discord for support! https://discord.gg/pyvnUDq --------------------------------------- 00:00 Q1 - Particles 07:21 Q2 - Diffraction grating 14:46 Q3 - Spacecraft - energy & momentum 18:55 Q4 - Moments 22:30 Q5 - Ship momentum 25:06 Q6 - Electricity 30:06 Q7 - Refraction - optic fibre - ---------------------------------------------------------------------- I don't charge anyone to watch my videos, so please donate if you can to keep me going! https://bit.ly/scienceshortsdonate

PMT MCQs 6.2 - Thermal - Physics A-level (AQA)

23:55

PMT MCQs 6.2 - Thermal - Physics A-level (AQA)

Download: https://www.physicsandmathstutor.com/physics-revision/a-level-aqa/thermal-physics/ ---------------------------------------------------- http://scienceshorts.net Join the Discord for support! https://discord.gg/pyvnUDq ---------------------------------------------------- I don't charge anyone to watch my videos, so please donate if you can to keep me going! https://bit.ly/scienceshortsdonate

Easy Vector Resolving Trick - GCSE & A-level Physics

10:00

Easy Vector Resolving Trick - GCSE & A-level Physics

http://scienceshorts.net Join the Discord for support! https://discord.gg/pyvnUDq ---------------------------------------------------- I don't charge anyone to watch my videos, so please donate if you can to keep me going! https://bit.ly/scienceshortsdonate ---------------------------------------------------- 0:00 Vectors recap 0:43 Adding vectors 2:40 Resolving vectors trick 7:02 Example - work done 8:10 Example - moments

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