Daily Practice

GCSE Science

9th April 1990

5 questions · GCSE · 584 questions in this band

1
Circuits, Resistance and Components
Define electric current.
2
Mains Electricity, Power and Energy
Why does the national grid transmit electricity at a very high potential difference?
3
Particle Model of Matter
Name the change of state when a liquid becomes a gas throughout the liquid, at its boiling point.
4
Density and the Particle Model of Matter
Convert a density of 2.7 grams per cubic centimetre into kilograms per cubic metre.
5
Particle Motion, Gas Pressure and Temperature
A gas at 200 kPa occupies 3.0 cubic metres. It is compressed to 1.5 cubic metres at constant temperature. Calculate the new pressure.

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