Daily Practice · GCSE Science

Daily Practice - GCSE Science

26th December 1998

5 questions · GCSE · 584 questions in this band

1
Radioactivity, Half-Life and Nuclear Uses
Explain why americium-241, an alpha emitter, is suitable for use in a smoke detector.
2
Forces
A gardener pushes a mower with a force of 60 N through a distance of 8.0 m. Calculate the work done. Use W = F x s.
3
Motion: Speed, Velocity and Acceleration
State what the gradient of a distance-time graph represents.
4
Forces, Newton's Laws and Momentum
Explain why a larger vehicle mass increases braking distance.
5
Pressure, Moments and Levers
Explain why a rucksack with wide, padded straps is more comfortable to carry than one with thin straps, for the same load.

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