Daily Practice · GCSE Science

Daily Practice - GCSE Science

17th February 1995

5 questions · GCSE · 584 questions in this band

1
The 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.
2
Red-shift and the Expanding Universe
State what red-shift shows about the motion of most distant galaxies.
3
Biology Required Practicals and Data Analysis
Name the apparatus used to estimate the population of a slow-moving or non-moving species in a field.
4
Cell 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).
5
Cell Structure and Microscopy
State the function of the mitochondria.

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