Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
27th November 2005
- 1The 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.
- 2Red-shift and the Expanding Universe
State what red-shift shows about the motion of most distant galaxies.
- 3Biology Required Practicals and Data Analysis
State the difference between resolution and accuracy.
- 4Cell 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).
- 5Cell Structure and Microscopy
Name two structures found in a plant cell but not in an animal cell.
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