Daily Practice

GCSE Science

20th November 1988

5 questions · GCSE · 584 questions in this band

1
Electromagnetic Induction and Transformers
Explain why electricity is transmitted through the National Grid at a very high voltage rather than at the voltage used in homes.
2
Space Physics
State the difference between a natural satellite and an artificial satellite, and give one example of each.
3
The Solar System, Orbital Motion and Satellites
A satellite in a stable, small-radius, close orbit around the Earth is compared with a satellite in a stable, large-radius, distant orbit. State which of the two satellites has the greater orbital speed.
4
Red-shift and the Expanding Universe
State whether a galaxy moving towards Earth would show a red-shift or a blue-shift in its light.
5
Biology Required Practicals and Data Analysis
In the microbiology practical, why are agar plates incubated at 25 degrees Celsius in schools rather than at 37 degrees Celsius?

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