PHYSICS IGCSE 2012 EXAM REVISION NOTES

PHYSICS IGCSE 2012 EXAM REVISION NOTES . By Samuel Lees and Adrian Guillot 1. General PHYSICS length and time Speed, velocity and acceleration Mass and weight Density Forces a. Effects of forces b. Turning effect c. Conditions for equilibrium d. Centre of mass e. Scalars and vectors Energy work power a. Energy b. Energy resources c. Work d. Power Pressure 2. Thermal PHYSICS a. States of matter b. Molecular model c. Evaporation d. Pressure changes Thermal properties a. Thermal expansion of solids, liquids and gases b. Measurement of temperature c. Thermal capactiy d. Melting and boiling Transfer of thermal energy a. Conduction b. Convection c. Radiation d. Consequences of energy transfer 3. Properties of waves, including light and sound General wave properties Light a. Reflection of light b. Refraction of light c. Thin converging lens d. Dispersion of light e. Electromagnetic spectrum Sound 4. Electricity and magnetism Simple phenomena of magnetism Electrical quantities a.

1. General physics 1.1 Length and time Length: •A rule (ruler) is used to measure length for distances between 1mm and 1meter; the SI unit for length is the meter (m) •To find out the volume of a regular object, you can use a mathematical formula, you just need to make a couple of length measurements.

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