Daily Practice

GCSE Science

20th February 1990

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 cyclist rides 300 m north then 300 m back south to the start. State the total distance travelled and total displacement.
4
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.
5
Forces, Newton's Laws and Momentum
A shopping trolley has a mass of 25 kg. Calculate its weight, taking g = 9.8 N/kg.

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