Daily Practice · GCSE Science

Daily Practice - GCSE Science

Biology, chemistry and physics recall, definition and calculation, drawn from every strand.

19th August 2023

5 questions · GCSE · 584 questions in this band

1
Electricity
A component has a current of 5.0 A and a resistance of 8.0 ohm. Calculate the power dissipated using P = I^2 x R.
2
Circuits, Resistance and Components
What happens to the total resistance when a second resistor is added in parallel, and why?
3
Mains Electricity, Power and Energy
Give the colour and function of the earth wire.
4
Particle Model of Matter
A block has a volume of 50 cm^3 and a mass of 135 g. Calculate its density.
5
Density and the Particle Model of Matter
Why is melting described as a physical change?

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