Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
4th February 2020
- 1Electromagnetic Induction and Transformers
A transformer has 500 turns on its primary coil and 2500 turns on its secondary coil. State, with a reason, whether this is a step-up or a step-down transformer.
- 2Space Physics
State what happens to the orbital speed needed for a stable orbit as the orbital radius increases.
- 3The Solar System, Orbital Motion and Satellites
State one difference between a moon and an artificial satellite.
- 4Red-shift and the Expanding Universe
Name the second major piece of observational evidence, besides red-shift, that supports the Big Bang model.
- 5Biology Required Practicals and Data Analysis
Why must the same volume of solution be used in every tube in an enzyme investigation?
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