Physics

Physics: Year 8 Summary

Topic: 8a Sound and Light (11 weeks)

1. Introduction to years work. Sound (general)
2. Properties of sound waves- media transmission & hearing range
3. Sound waves- frequency and amplitude
4. Speed of sound, hearing, sound survey etc.
5. Sound Technology Project }
6. Sound Technology Project } last 3 weeks of ½ term
7. Sound Technology Project }

CASE lessons 15 and 16 (first 2 weeks of ½ term October) (Tea tasting and spinning coins)

1. Light properties, shadows, pinhole camera
2. Reflection
3. Refraction
4. Lenses and optical instruments

Topic: 8b Electricity (8 weeks)

1. Current Electricity, batteries, bulbs and current
2. Current in series and parallel circuits
3. Voltage in series and parallel circuits
4. Resistance
5. Resistance in wire
6. Domestic electricity (fuses, earth wires, plug wiring)
7. Safety (poster or Power point)
8. Safety (poster or Power point)
9. Test

CASE lessons 23 and 24 (last 2 weeks of ½ term- March) ( Compound variables: Pressure and floating)

Topic: 8c Forces (10 weeks)

1. Types of force and what they can do
2. Mass, weight and gravity
3. Moments
4. Balance and levers
5. Centres of gravity
6. Stability (bottles)
7. Pressure (calculating)
8. Pressure (using)
9. Friction
10. Floating and sinking

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