Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
16th December 2023
- 1Red-shift and the Expanding Universe
State, in one sentence, what the Big Bang model proposes about the early universe.
- 2Biology Required Practicals and Data Analysis
A student measures 24 cubic centimetres of gas in 3 minutes. Calculate the rate.
- 3Cell Biology
A student views a red blood cell at a magnification of x2000. The image of the cell measures 20 mm across. Calculate the real width of the cell, giving your answer in micrometres (um).
- 4Cell Structure and Microscopy
Convert 0.05 mm into micrometres.
- 5Cell Division and Stem Cells
How many pairs of chromosomes are there in a human body cell?
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