Daily Practice · GCSE Science

Daily Practice - GCSE Science

Biology, chemistry and physics recall, definition and calculation, drawn from every strand.

20th June 2011

5 questions · GCSE · 584 questions in this band

1
Atomic Structure and the Development of the Model
Describe the plum pudding model.
2
Radioactivity, Half-Life and Nuclear Uses
A GM tube detects a count rate of 240 counts per minute from a source. After 15 days the count rate has fallen to 30 counts per minute. Show that this data is consistent with a half-life of 5 days.
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
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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