Daily Practice · GCSE Science

Daily Practice - GCSE Science

21st September 1998

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
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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