Daily Practice · GCSE Science

Daily Practice - GCSE Science

4th March 1999

5 questions · GCSE · 584 questions in this band

1
The Solar System, Orbital Motion and Satellites
State the name of the force that keeps a satellite in orbit around the Earth.
2
Red-shift and the Expanding Universe
State, in one sentence, what the Big Bang model proposes about the early universe.
3
Biology Required Practicals and Data Analysis
Why does taking repeat readings and calculating a mean improve the data?
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
Where is the DNA found in a bacterial cell?

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