Daily Practice

GCSE Science

6th April 1991

5 questions · GCSE · 584 questions in this band

1
Atomic Structure and the Development of the Model
What observation showed the nucleus is positively charged and very small?
2
Radioactivity, Half-Life and Nuclear Uses
State one source of natural background radiation and one source of artificial (man-made) background radiation.
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
On a velocity-time graph, what does the area between the line and the time axis represent?
5
Forces, Newton's Laws and Momentum
State two factors that increase a driver's thinking distance.

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