Daily Practice

GCSE Science

24th September 1971

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 box has a driving force of 250 N forward and friction of 180 N backward. Calculate the resultant force, including its direction.
4
Motion: Speed, Velocity and Acceleration
A skydiver reaches terminal velocity during free fall. Explain what is meant by 'terminal velocity'.
5
Forces, Newton's Laws and Momentum
A skateboarder of mass 55 kg moving at 4 m/s collides with and grabs onto a stationary shopping trolley of mass 20 kg, and they move off together. Calculate their combined velocity immediately after the collision.

You are looking at an earlier sheet. Today's sheet is the one that adds a day.

Your run is kept in this browser only, and there is no account.

Any date always gives the same five questions, so a sheet can be set again or shared. All of September 1971, including the monthly compilation PDF.