Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
31st March 2021
- 1Chromatography and Instrumental Analysis
Explain why the baseline is drawn in pencil rather than ink.
- 2Chemistry of the Atmosphere
Give two processes that removed carbon dioxide from the early atmosphere.
- 3The Atmosphere: Evolution and Greenhouse Gases
Name the two gases produced by photosynthesis and the substance it consumes alongside carbon dioxide.
- 4Climate Change and Atmospheric Pollutants
Explain why burning a fuel can produce nitrogen oxides even if the fuel itself contains no nitrogen.
- 5Physics Equations: Recall, Rearrangement and Application
A device transfers 4500 J in 90 s. Calculate its power.
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