Daily Practice

GCSE Science

26th July 1988

5 questions · GCSE · 584 questions in this band

1
Atomic Structure and the Development of the Model
What observation showed that the atom is mostly empty space?
2
Radioactivity, Half-Life and Nuclear Uses
Define the term 'half-life' of a radioactive isotope.
3
Forces
A resultant force of 45 N acts on an object of mass 9.0 kg. Calculate its acceleration. Use F = m x a.
4
Motion: Speed, Velocity and Acceleration
State what the gradient of a distance-time graph represents.
5
Forces, Newton's Laws and Momentum
Explain why a larger vehicle mass increases braking distance.

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