Daily Practice

GCSE Science

17th April 1989

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 must the same volume of solution be used in every tube in an enzyme investigation?
4
Cell Biology
State one structure found in a bacterial cell but not in an animal cell.
5
Cell Structure and Microscopy
Give the equation linking magnification, image size and real size.

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