Daily Practice

GCSE Science

17th October 1991

5 questions · GCSE · 584 questions in this band

1
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.
2
Climate Change and Atmospheric Pollutants
Explain how solid carbon particulates released by combustion can cause global dimming.
3
Physics Equations: Recall, Rearrangement and Application
State the equation for work done.
4
Physics Required Practicals and Uncertainties
Why should a line of best fit be drawn rather than joining the plotted points?
5
Energy
A 5.0 kg object is lifted 3.0 m. Calculate its gain in gravitational potential energy (g = 9.8 N/kg).

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