Daily Practice
GCSE Science
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14th August 1991
- 1Circuits, Resistance and Components
How does the resistance of a thermistor change as it gets hotter?
- 2Mains Electricity, Power and Energy
Give the equation linking energy transferred, charge flow and potential difference.
- 3Particle Model of Matter
Name the change of state when a liquid becomes a gas throughout the liquid, at its boiling point.
- 4Density and the Particle Model of Matter
Why does the temperature stay constant while a substance boils?
- 5Particle Motion, Gas Pressure and Temperature
Why does reducing the volume of a gas increase the pressure even though the molecules do not speed up?
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Any date always gives the same five questions, so a sheet can be set again or shared. All of August 1991, including the monthly compilation PDF.