Daily Practice · GCSE Science

Daily Practice - GCSE Science

23rd March 1994

5 questions · GCSE · 584 questions in this band

1
Particle Motion, Gas Pressure and Temperature
Why does a bicycle pump get warm when used?
2
Atomic Structure
Define half-life.
3
Atomic Structure and the Development of the Model
What observation showed that the atom is mostly empty space?
4
Radioactivity, Half-Life and Nuclear Uses
Define the term 'half-life' of a radioactive isotope.
5
Forces
A resultant force of 45 N acts on an object of mass 9.0 kg. Calculate its acceleration. Use F = m x a.

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