Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
13th November 2023
- 1The Solar System, Orbital Motion and Satellites
Explain why a satellite moving in a stable circular orbit has a changing velocity even though its speed stays constant.
- 2Red-shift and the Expanding Universe
State what red-shift shows about the motion of most distant galaxies.
- 3Biology Required Practicals and Data Analysis
Why must the same volume of solution be used in every tube in an enzyme investigation?
- 4Cell Biology
Convert 0.02 mm into micrometres (um).
- 5Cell Structure and Microscopy
Give the equation linking magnification, image size and real size.
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