Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
27th June 2020
- 1Electricity
State the UK mains supply frequency and typical potential difference.
- 2Circuits, Resistance and Components
What happens to the total resistance when a second resistor is added in parallel, and why?
- 3Mains Electricity, Power and Energy
Give the colour and function of the earth wire.
- 4Particle Model of Matter
State what happens to the internal energy of a substance as it is heated, in terms of the kinetic and potential energy of its particles.
- 5Density and the Particle Model of Matter
Why is melting described as a physical change?
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