What this practice covers
These questions are drawn from past CIE 0625 Physics papers and filtered to earth and the solar system. You answer, you find out immediately whether you were right, and you get the reasoning for the correct option and for each distractor. Wrong answers go to a mistakes locker so you can come back to exactly those.
Practice is free. You need an account only so your progress and your mistakes are still there next time.
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What examiners see students get wrong here
These are the errors that cost marks on earth and the solar system, taken from our own topic notes. Read them before you practise and you will recognise the traps in the questions.
- Saying the Sun moves round the Earth to give day and night.
- Confusing the cause of day and night (rotation) with the cause of the year (orbit).
- Giving the planets in the wrong order, or putting the asteroid belt in the wrong place.
- Saying the Moon produces its own light.
- Saying a comet moves fastest when it is furthest from the Sun.
- Saying planets further out move faster.
- Drawing the gravitational force on an orbiting planet along its direction of motion rather than towards the Sun.
- Using the diameter instead of the circumference in v = 2πr/T.
Revise it first
If any of the above is unfamiliar, work through the notes before practising: Earth and the Solar System revision notes.