Daily Practice

GCSE Science

30th November 1992

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 the two additional products that can form during the incomplete combustion of a hydrocarbon fuel.
3
Physics Equations: Recall, Rearrangement and Application
Write the equation linking power, energy and time, and rearrange it for time.
4
Physics Required Practicals and Uncertainties
Define the resolution of a measuring instrument.
5
Energy
A kettle transfers 360000 J of energy in 150 s. Calculate its power in watts.

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