Daily Practice · GCSE Science

Daily Practice - GCSE Science

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

16th November 2021

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 why burning a fuel can produce nitrogen oxides even if the fuel itself contains no nitrogen.
3
Physics Equations: Recall, Rearrangement and Application
A device transfers 4500 J in 90 s. Calculate its power.
4
Physics Required Practicals and Uncertainties
Give one reason for taking the gradient from the line of best fit rather than from two data 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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