Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
- 1The Solar System, Orbital Motion and Satellites
Explain, in terms of forces, why a satellite in a stable orbit does not fall towards the Earth or fly off into space.
- 2Red-shift and the Expanding Universe
Name the model of the origin of the universe that is supported by red-shift observations.
- 3Biology Required Practicals and Data Analysis
Name the apparatus used to estimate the population of a slow-moving or non-moving species in a field.
- 4Cell 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).
- 5Cell Structure and Microscopy
State the function of the mitochondria.
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