Daily Practice · GCSE Science

Daily Practice - GCSE Science

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

23rd March 2023

5 questions · GCSE · 584 questions in this band

1
The Atmosphere: Evolution and Greenhouse Gases
Explain, in one sentence, why the oceans were able to form only after the early Earth had cooled.
2
Climate Change and Atmospheric Pollutants
Explain how solid carbon particulates released by combustion can cause global dimming.
3
Physics Equations: Recall, Rearrangement and Application
State the equation for work done.
4
Physics Required Practicals and Uncertainties
Why should a line of best fit be drawn rather than joining the plotted points?
5
Energy
A motor is supplied with 800 J of energy and wastes 240 J as heat. Calculate its efficiency as a percentage.

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