Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
26th September 2025
- 1Chromatography and Instrumental Analysis
A sample produces only one spot when run in three different solvents. What does this suggest about the sample?
- 2Chemistry of the Atmosphere
Give two human activities that increase the amount of greenhouse gases in the atmosphere.
- 3The Atmosphere: Evolution and Greenhouse Gases
Explain why the natural greenhouse effect is necessary for life on Earth, rather than being a purely harmful process.
- 4Climate Change and Atmospheric Pollutants
Explain how solid carbon particulates released by combustion can cause global dimming.
- 5Physics Equations: Recall, Rearrangement and Application
State the equation for work done.
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