Daily Practice · GCSE Science

Daily Practice - GCSE Science

29th September 1996

5 questions · GCSE · 584 questions in this band

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