CAIE IGCSE Physics Extended 2.1.2.4 Random Motion of Microscopic Particles Topic Practice

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IGCSE CAIE Physics

1. Motion, forces and energy

1.1 Physical quantities and measurement techniques

1.3 Mass and weight

1.5.1 Effects of forces

1.5.2 Turning effect of forces

1.5.3 Centre of gravity

1.7.3 Energy resources

2. Thermal physics

2.1.1 States of matter

2.1.2 Particle model

2.1.2.1—Particle structure of solids, liquids

2.1.2.2—Relationship between the motion of

2.1.2.3—Pressure and the changes in pressure

2.1.2.4—Random motion of microscopic particles

2.1.2.5—And explain this motion (sometimes

2.1.2.6—Forces and distances between particles

2.1.2.7—Pressure and the changes in pressure

2.1.2.8—Microscopic particles may be moved by

2.1.3 Gases and the absolute scale of temperature

2.2.1 Thermal expansion of solids, liquids and gases

2.2.2 Specific heat capacity

2.2.3 Melting, boiling and evaporation

2.3.1 Conduction

2.3.2 Convection

2.3.3 Radiation

2.3.4 Consequences of thermal energy transfer

3.1 General properties of waves

3.2.1 Reflection of light

3.2.2 Refraction of light

3.2.3 Thin lenses

3.2.4 Dispersion of light

3.3 Electromagnetic spectrum

4. Electricity and magnetism

4.1 Simple phenomena of magnetism

4.2.1 Electric charge

4.2.2 Electric current

4.2.3 Electromotive force and potential difference

4.2.4 Resistance

4.2.5 Electrical energy and electrical power

4.3.1 Circuit diagrams and circuit components

4.3.2 Series and parallel circuits

4.3.3 Action and use of circuit components

4.4 Electrical safety

4.5.1 Electromagnetic induction

4.5.2 The a.c. generator

4.5.3 Magnetic effect of a current

4.5.4 Force on a current-carrying conductor

4.5.5 The d.c. motor

4.5.6 The transformer

5. Nuclear physics

5.1.2 The nucleus

5.2.1 Detection of radioactivity

5.2.2 The three types of nuclear emission

5.2.3 Radioactive decay

5.2.4 Half-life

5.2.5 Safety precautions

6. Space physics

6.1.1 The Earth

6.1.2 The Solar System

6.2.1 The Sun as a star

6.2.3 The Universe

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