Daily Practice

GCSE Science

19th November 1992

5 questions · GCSE · 584 questions in this band

1
The 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.
2
Red-shift and the Expanding Universe
Name the model of the origin of the universe that is supported by red-shift observations.
3
Biology Required Practicals and Data Analysis
Why does taking repeat readings and calculating a mean improve the data?
4
Cell Biology
Convert 0.02 mm into micrometres (um).
5
Cell Structure and Microscopy
Where is the DNA found in a bacterial cell?

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