Science Shorts

All of Chemistry Paper 1 in 30 mins: https://youtu.be/gS9hsI4eMp8 ---------------------------------------------------- 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 ---------------------------------------------------- Some flashcard like questions to help you prepare for your exam!

Malmesbury Science biology pracs: https://youtube.com/playlist?list=PLAd0MSIZBSsHv1pioWRdg-pZCWTo84cdP ---------------------------------------------------- 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 General tips 01:28 1 - Microscopy (Paper 1) 02:15 2 - Osmosis (Paper 1) 03:00 3 - Enzymes (Paper 1) 04:00 4 - Food Tests (Paper 1) 04:37 5 - Rate of Photosynthesis (Paper 1) 05:35 6 - Reaction Times (Paper 2) 06:19 7 - Sampling with Quadrats (Paper 2) 07:10 8 - Microbiology (TRIPLE Paper 1) 08:08 9 - Germination (TRIPLE Paper 2) 08:33 10 - Decay (TRIPLE Paper 2)

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 00:18 Chemical reactions & balancing equations 01:40 Mixtures & separation techniques 02:31 Pure substances 02:59 Chromatography 03:51 States of matter 04:51 Atomic structure 05:52 Atomic number & relative mass number 07:07 Electron configuration 07:37 Metals & non-metals 08:12 Alkali metals, halogens, noble gases & transition metals 10:13 Metallic bonding 10:30 Ionic bonding 11:28 Ionic structures 12:36 Covalent bonding 13:53 Giant covalent structures & carbon allotropes 15:40 Moles 18:35 Solution concentration 18:57 Reactivity series of metals & displacement reactions 20:03 Oxidation & reducation, half ionic equations 20:39 Neutralisation & making salts 21:32 pH scale, acids & alkalis 22:27 Electrolysis 24:22 Exothermic & endothermic reactions, bond energies & enthalpy changes 27:16 Gas tests 27:30 Metal ion tests, flame tests 28:13 Non metal tests - carbonate, halides & sulphates 28:36 Titration 30:05 Percentage yield 30:46 Rate of reaction 32:51 Reversible reactions & equilibrium 35:10 Polymers 35:37 Alloys 36:14 Corrosion of metals 36:43 Atmosphere 38:10 Hydrocarbons, crude oil, fractional distillation & fuels 40:54 Testing for alkenes 41:34 Cracking hydrocarbons 42:33 Alcohols & carboxylic acids 43:36 Addition & condensation polymerisation

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 00:18 Chemical reactions & balancing 01:40 Mixtures & separation techniques 02:32 Pure substances & formulations 02:59 Chromatography 03:51 States of matter 04:51 Atomic structure 05:52 Atomic number & relative atomic/mass number 07:07 Electron configuration 07:38 Periodic table: metals & non-metals 08:12 Alkali metals, halogens, noble gases & transition metals 10:14 Metallic bonding 10:30 Ionic bonding 11:28 Ionic structures 12:36 Covalent bonding 13:54 Giant covalent structures 15:42 Moles & relative mass (TRIPLE/COORD) 18:58 Reactivity series of metals & extracing metals 20:03 Oxidation & reduction 20:39 Neutralisation - making salts 21:32 pH scale 22:27 Electrolysis of molten compounds 23:32 Electrolysis of solutions 24:22 Exothermic & endothermic reactions 26:12 Bond energy calculations 27:16 Gas tests 27:30 Metal ion tests - flame tests 28:09 Non-metal tests - carbonates, halides & sulphates 28:36 Titration 30:05 Percentage yield 30:46 Rate of reaction 32:52 Reversible reactions (TRIPLE) 35:10 Haber processs & NPK fertilisers (TRIPLE) 36:08 Polymers, alloys & corrosion 37:40 Atmosphere & pollution 39:32 Potable water 40:24 Hydrocarbons, crude oil, fractional distillation 42:20 Fuels & combustion 43:08 Testing for alkenes 43:39 Cracking 44:37 Alcohols & carboxylic acids (TRIPLE) 46:11 Addition polymerisation (TRIPLE) 46:32 Condensation polymerisation (TRIPLE) 47:18 Batteries & hydrogen fuel

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 00:36 Electron configuration 01:07 Metals & non-metals 01:41 Alkali metals, halogens, noble gases & transition metals 03:42 Rate of reaction 05:48 Reversible reactions 08:06 Exothermic & endothermic reactions - energy changes 09:44 Bond energy calculations 10:48 Hydrocarbon 11:35 Crude oil & fractional distillation 12:43 Uses of hydrocarbons, fuels & combustion 13:32 Testing for alkenes (TRIPLE) 14:12 Cracking 15:11 Composition of the atmosphere 16:38 Atmospheric pollutants 17:03 Gas tests 17:18 Testing for metals - flame tests (TRIPLE) 17:57 Testing for non-metals (TRIPLE) 18:23 Instrumental methods (TRIPLE) 18:52 Alcohols & carboxylic acids (TRIPLE) 19:50 Addition polymerisation (TRIPLE) 20:32 Condensation polymerisation (TRIPLE) 21:18 Polymers (TRIPLE) 21:45 Giant covalent bonding & carbon allotropes (TRIPLE) 23:33 Glass, ceramics & composites (TRIPLE)

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 00:32 Reactivity series of metals 01:30 Testing for gases 01:45 Testing for metals - flame tests (TRIPLE) 02:24 Testing for non-metals (TRIPLE) 02:51 Instrumental methods (TRIPLE) 03:19 Solution concentration (TRIPLE) 03:42 Titration (TRIPLE) 05:10 Electrolysis of molten compounds 06:17 Extracting metals 06:59 Percentage yield & atom economy (TRIPLE) 08:50 Rate of reaction 10:56 Reversible reactions & equilibrium 13:14 The Haver process (TRIPLE) 13:49 NPK fertilisers (TRIPLE) 14:11 Polymers 14:39 Alloys (TRIPLE) 15:16 Glass, ceramics & composites (TRIPLE) 15:30 Corrosion of metals (TRIPLE) 16:08 Life Cycle Assessments (TRIPLE) 16:50 Composition of the atmosphere 18:16 Atmospheric pollutants 18:42 Resources 19:00 Potable water 19:52 Hydrocarbons 20:40 Fractional distillation 21:48 Uses of hydrocarbons 22:36 Testing for alkenes 23:16 Cracking alkanes 24:15 Alcohols & carboxylic acids (TRIPLE) 25:18 Addition polymerisation 26:00 Condensation polymerisation

Test your knowledge with this quick quiz! https://youtu.be/FFeTG29GWCI ---------------------------------------------------- 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

EM Spectrum song: https://youtu.be/6988votUPFQ ---------------------------------------------------- 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 ---------------------------------------------------- 0:00:00 Intro 0:00:18 Vectors & scalars 0:02:23 Weight & work done 0:03:15 Springs & Hooke's law 0:04:36 Moments 0:05:15 Graphs of motion 0:06:52 Equations of motion 0:07:43 Newton's law of motion 0:09:51 Stopping distance 0:10:39 Momentum 0:12:13 Force & momentum 0:12:55 Energy & stores 0:15:44 Energy transfers 0:18:15 Atomic structure 0:19:20 Density 0:21:10 States of matter 0:21:39 Specific heat capacity & practical 0:22:30 Internal energy - SHC & SLH 0:24:09 Particle theory of gases 0:25:13 Waves 0:27:40 Sound & seismic waves 0:29:02 EM Electromagnetic spectrum 0:30:26 Refraction 0:31:24 Total internal reflection 0:32:24 Lenses 0:34:45 Nuclear decay equations 0:37:17 Nuclear radiation 0:39:05 Radioactivity & half-life 0:40:47 Fission & fusion 0:42:33 Electrical circuits 0:44:22 Potential difference/voltage, current & charge 0:46:41 Resistance & Ohm's law 0:49:57 Series & parallel circuits 0:52:44 Thermistors & LDRs (TRIPLE) 0:53:33 Electrical power, AC/DC, mains & safety 0:56:17 National Grid (TRIPLE/COORD) 0:57:22 Transformers (TRIPLE/COORD) 0:59:20 Magnetic fields 1:00:37 Motors & loudspeakers 1:01:23 Generators & microphones 1:03:10 Solar system & life cycle of stars 1:04:39 Satellites 1:05:39 Red shift & Big Bang Theory