Daily Practice · GCSE Science

Daily Practice - GCSE Science

27th December 1997

5 questions · GCSE · 584 questions in this band

1
Chemistry of the Atmosphere
Give two human activities that increase the amount of greenhouse gases in the atmosphere.
2
The Atmosphere: Evolution and Greenhouse Gases
Explain why the natural greenhouse effect is necessary for life on Earth, rather than being a purely harmful process.
3
Climate Change and Atmospheric Pollutants
Explain why burning a fuel can produce nitrogen oxides even if the fuel itself contains no nitrogen.
4
Physics Equations: Recall, Rearrangement and Application
A device transfers 4500 J in 90 s. Calculate its power.
5
Physics Required Practicals and Uncertainties
Give one reason for taking the gradient from the line of best fit rather than from two data points.

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