Daily Practice · GCSE Science

Daily Practice - GCSE Science

11th August 1995

5 questions · GCSE · 584 questions in this band

1
The Atmosphere: Evolution and Greenhouse Gases
Explain, in terms of gas molecules, why methane and water vapour, as well as carbon dioxide, are described as greenhouse gases.
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 kettle transfers 360000 J of energy in 150 s. Calculate its power in watts.

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