Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
31st August 2024
- 1Density and the Particle Model of Matter
Calculate the mass of 0.5 cubic metres of a material of density 2400 kilograms per cubic metre.
- 2Particle Motion, Gas Pressure and Temperature
A gas is heated in a sealed rigid container. Explain what happens to the pressure.
- 3Atomic Structure
Which type of radiation is stopped by a sheet of paper?
- 4Atomic Structure and the Development of the Model
Describe the plum pudding model.
- 5Radioactivity, Half-Life and Nuclear Uses
A GM tube detects a count rate of 240 counts per minute from a source. After 15 days the count rate has fallen to 30 counts per minute. Show that this data is consistent with a half-life of 5 days.
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