Daily Practice · GCSE Science

Daily Practice - GCSE Science

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

28th February 2014

5 questions · GCSE · 584 questions in this band

1
Atomic Structure and the Development of the Model
Why is the atomic model a good example of how scientific models change?
2
Radioactivity, Half-Life and Nuclear Uses
Explain the difference between irradiation and contamination.
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
A runner completes a 400 m race in 52 s. Calculate her average speed, giving your answer to 3 significant figures.
5
Forces, Newton's Laws and Momentum
Explain, using Newton's Third Law, why a swimmer is able to push themselves forward by pushing backward against the water.

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