Daily Practice

GCSE Science

15th December 1971

5 questions · GCSE · 584 questions in this band

1
Atomic Structure and the Development of the Model
State the approximate radius of a nucleus compared with the radius of an atom.
2
Radioactivity, Half-Life and Nuclear Uses
Explain why americium-241, an alpha emitter, is suitable for use in a smoke detector.
3
Forces
State whether friction is a contact force or a non-contact force.
4
Motion: Speed, Velocity and Acceleration
Define the term 'vector quantity' and give one example.
5
Forces, Newton's Laws and Momentum
Calculate the momentum of a 1200 kg car travelling at 18 m/s.

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