Daily Practice · GCSE Science

Daily Practice - GCSE Science

4th August 1994

5 questions · GCSE · 584 questions in this band

1
Space Physics
State what happens to the orbital speed needed for a stable orbit as the orbital radius increases.
2
The Solar System, Orbital Motion and Satellites
State one difference between a moon and an artificial satellite.
3
Red-shift and the Expanding Universe
Name the second major piece of observational evidence, besides red-shift, that supports the Big Bang model.
4
Biology Required Practicals and Data Analysis
State the difference between resolution and accuracy.
5
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).

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