Daily Practice

GCSE Science

29th April 1993

5 questions · GCSE · 584 questions in this band

1
Particle Motion, Gas Pressure and Temperature
What causes the pressure of a gas on the walls of its container?
2
Atomic Structure
State the difference between irradiation and contamination.
3
Atomic Structure and the Development of the Model
State the approximate radius of a nucleus compared with the radius of an atom.
4
Radioactivity, Half-Life and Nuclear Uses
Explain why americium-241, an alpha emitter, is suitable for use in a smoke detector.
5
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.

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