Daily Practice · GCSE Science

Daily Practice - GCSE Science

7th March 1997

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
Name two gases that dissolve in atmospheric water droplets to cause acid rain.
3
Physics Equations: Recall, Rearrangement and Application
Calculate the gravitational potential energy gained by a 60 kg person climbing 5 m. (g = 9.8 N/kg)
4
Physics Required Practicals and Uncertainties
How is the uncertainty in a set of repeated readings usually estimated?
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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