Daily Practice

GCSE Science

28th October 1989

5 questions · GCSE · 584 questions in this band

1
Atomic Structure
Define half-life.
2
Atomic Structure and the Development of the Model
What observation showed that the atom is mostly empty space?
3
Radioactivity, Half-Life and Nuclear Uses
Define the term 'half-life' of a radioactive isotope.
4
Forces
A gardener pushes a mower with a force of 60 N through a distance of 8.0 m. Calculate the work done. Use W = F x s.
5
Motion: Speed, Velocity and Acceleration
On a velocity-time graph, what does the area between the line and the time axis represent?

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