SCIENCE SHORTS

http://scienceshorts.net ---------------------------------------------------- Paper: https://www.aqa.org.uk/files/fHDU1dLPgDwvQhfFoKkJoK/c2d052b11c09b8b207fdcb98da24ae0e81515b46.pdf Mark scheme: https://www.aqa.org.uk/files/fHDU1dLPgDwvQhfFoKkIeJ/5337139f6ec4e1cfbc9e3f5e61c218a4a4b83e72.pdf ----------------------------------------------------- 0:00:00 Q1 - Particles 0:03:20 Q2 - Stationary wave on string 0:12:31 Q3 - SHM Energy 0:17:49 Q4 - Young Modulus 0:24:07 Q5 - Car Battery EMF 0:31:44 Q6 - Rugby Ball Impulse 0:41:13 Q7 - NASCAR Banked Track 0:47:06 Multiple choice

http://scienceshorts.net ---------------------------------------------------- Paper: https://www.aqa.org.uk/files/cRIpdimsSKiybuSFvP8nRg/f29e6f7beb0a34d2855eff6a4a8199de1a8b4dd4.pdf Mark scheme: https://www.aqa.org.uk/files/2vT3LmcUzNO62qpl9Hqstv/7a646ed313e2e75c3292dc0173b4941e2f663b69.pdf ----------------------------------------------------- 00:00 Q1 - Stationary wave investigation 05:57 Q2 - Oven-baked resistor 17:10 Q3 - Power vs Temp for resistor 27:40 Q4 - Wire around pencil in test tube malarky

http://scienceshorts.net ---------------------------------------------------- Paper: https://www.aqa.org.uk/files/cRIpdimsSKiybuSFvP8gdA/1c8e44133f577fe928eee7acf56fb667cecd11e1.pdf Mark scheme: https://www.aqa.org.uk/files/2vT3LmcUzNO62qpl9HqS4f/74d4a125b24ea84e4c0b362c9739525c172e6830.pdf ----------------------------------------------------- 00:00 Q1 - Distance of closest approach 04:49 Q2 - Kinetic theory 08:29 Q3 - Nuclear decay 13:52 Q4 - Kepler's Law & Potential 21:19 Q5 - Capacitor discharge 24:45 Q6 - Planet gravitational, electric & magnetic fields 34:24 Multiple choice

Revision app! iOS: https://bit.ly/studyshortsios Android: https://bit.ly/studyshortsand -------------------------------------------------- Test your knowledge with our super cool quiz! https://youtu.be/HnBX2PpZwwc ---------------------------------------------------- 00:00 Intro 00:21 Power, Efficiency & Insulation 01:42 Springs & Hooke's Law 02:54 Moments 03:32 Pressure in Fluids 04:39 Electrical Circuits - Charge, Current & PD 08:16 Resistance & Ohm's Law 12:06 Series & Parallel Circuits 14:44 Thermistor & LDR 15:33 Electrical Power, AC & DC, Mains & Safety 18:22 National Grid & Transformers 19:10 Static Electricity & Electric Fields (TRIPLE) 20:53 Magnets 22:25 Motor Effect & Motors 24:47 Generator Effect 26:25 Transformers 28:52 Density 30:45 States of Matter 31:14 Internal Energy - Specific Heat Capacity & Latent Heat 32:49 Particle (Kinetic) Theory of Gases & Pressure

Revision app! iOS: https://bit.ly/studyshortsios Android: https://bit.ly/studyshortsand ---------------------------------------------------- Electricity, Ohm's law, resistance, voltage p.d., current, thermistors & LDRs, series & parallel, electrical power, safety, mains, transformers & National Grid.

Revision app! iOS: https://bit.ly/studyshortsios Android: https://bit.ly/studyshortsand -------------------------------------------------- Test your knowledge with our super cool quiz! https://youtu.be/F409p5RL0pY ---------------------------------------------------- 00:00 Intro 00:20 Prefixes 01:27 Energy Stores 04:07 Energy Transfers 06:49 Power, Efficiency & Insulation 08:10 Energy Sources 08:54 Electrical Circuits - Charge, Current & PD 12:31 Resistance & Ohm's Law 16:21 Series & Parallel Circuits 18:59 Thermistor & LDR 19:48 Electrical Power, AC & DC, Mains & Safety 22:37 National Grid & Transformers 23:25 Static Electricity & Electric Fields (TRIPLE) 25:08 Density 27:01 States of Matter 27:30 Internal Energy - Specific Heat Capacity & Latent Heat 29:05 Particle (Kinetic) Theory of Gases & Pressure 29:59 Atomic Structure 31:02 Nuclear Decay Equations 33:24 Nuclear Radiation - Alpha Beta Gamma 35:07 Radioactivity & Half-life 36:48 Fission & Fusion

Revision app! iOS: https://bit.ly/studyshortsios Android: https://bit.ly/studyshortsand --------------------------------------------------- 00:00 Enthalpy 03:02 Hess's Law 03:40 Gibbs Free Energy & Entropy 05:25 Lattice Formation Enthalpy 06:32 Born-Haber Cycle 07:20 Hydration Enthalpy & Solubility

Revision app! iOS: https://bit.ly/studyshortsios Android: https://bit.ly/studyshortsand ---------------------------------------------------- 00:00 Intro 00:09 Atoms 02:03 Isotopes & Mass Spectrometry 04:09 Electron Configuration 06:50 Ionisation Energy 08:16 Relative Mass & Moles 09:51 Chemical Equations 10:54 Yield 12:15 Gases 13:17 Ionic Bonding 14:10 Metallic Bonding 14:22 Covalent Bonding 14:45 Lattices 16:07 Bond Angles 17:18 Dipoles, Electronegativity & Van Der Waals Forces 19:55 Enthalpy 22:57 Hess's Law 23:35 Equilibrium Constants Kc & Kp 26:45 Oxidation Number 29:00 Gibbs Free Energy & Entropy 30:45 Lattice Formation Enthalpy 31:52 Born-Haber Cycle 32:40 Hydration Enthalpy & Solubility 33:13 Electrochemical Cells 35:29 Acids, Bases & pH 38:09 Buffer Solutions 39:39 Titrations & Indicators 41:28 Water Of Crystallisation 42:02 Period 3 43:36 Group 2 Metals 45:12 Group 7 - Halogens 47:09 Transition Metals 48:16 Complexes & Colorimetry