Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
25th February 2025
- 1Chemistry of the Atmosphere
State the approximate percentage of nitrogen in today's atmosphere.
- 2The Atmosphere: Evolution and Greenhouse Gases
State two long-term stores of carbon that removed carbon dioxide from the early atmosphere.
- 3Climate Change and Atmospheric Pollutants
Name two gases that dissolve in atmospheric water droplets to cause acid rain.
- 4Physics Equations: Recall, Rearrangement and Application
Calculate the gravitational potential energy gained by a 60 kg person climbing 5 m. (g = 9.8 N/kg)
- 5Physics Required Practicals and Uncertainties
How is the uncertainty in a set of repeated readings usually estimated?
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