Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
24th October 2023
- 1Mains Electricity, Power and Energy
Calculate the current drawn by a 1150 W kettle on a 230 V supply.
- 2Particle Model of Matter
Calculate the energy needed to melt 0.50 kg of a substance with a specific latent heat of fusion of 210000 J/kg.
- 3Density and the Particle Model of Matter
Why is the density of a gas much lower than that of the same substance as a liquid?
- 4Particle Motion, Gas Pressure and Temperature
What causes the pressure of a gas on the walls of its container?
- 5Atomic Structure
State the difference between irradiation and contamination.
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