Daily Practice · GCSE Science

Daily Practice - GCSE Science

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

23rd August 2015

5 questions · GCSE · 584 questions in this band

1
Atomic Structure
State the difference between irradiation and contamination.
2
Atomic Structure and the Development of the Model
State the approximate radius of a nucleus compared with the radius of an atom.
3
Radioactivity, Half-Life and Nuclear Uses
Explain why americium-241, an alpha emitter, is suitable for use in a smoke detector.
4
Forces
A box has a driving force of 250 N forward and friction of 180 N backward. Calculate the resultant force, including its direction.
5
Motion: Speed, Velocity and Acceleration
A train travels at a constant velocity of 40 m/s for 3 minutes. Calculate the distance it travels, in km.

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