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Grade 8 · Astronomy & space

Grade 8 Astronomy & space diagnostic

12 questions on solar system, space science and sky observation. Answer what you can, then check your answers to see which topics are secure and what to practise next.

12 questions3 topicsAbout 15 minutesSet 5 of 5

Skip a question if you do not know the answer. It is better than guessing, because it shows what to practise.

1Sky observationIn the Moon’s cycle of phases, which phase comes right after the new moon?
2Sky observationWhat do we call the Moon’s phase when its whole lit side faces Earth?
3Sky observationWhat is the main cause of Earth's seasons?
4Sky observationIn the Moon’s cycle of phases, which phase comes right after the waxing gibbous?
5Solar systemWhich planet is closer to the Sun: Jupiter or Neptune?
6Solar systemWhich statement is correct about a moon?
7Solar systemWhich is a rocky (terrestrial) planet: Uranus or Mars?
8Solar systemWhich is the smallest planet?
9Space scienceGravity on the Moon is about one-sixth as strong as on Earth. A toolbox weighs 174 N on Earth. About how much would it weigh on the Moon?
N
10Space scienceGravity on Mars is about 0.38 times as strong as on Earth. A lander weighs 1480 N on Earth. About how much would it weigh on Mars? Round to one decimal place.
N
11Space scienceA science instrument has a mass of 34 kg on Earth. What is its mass on the Moon?
kg
12Space scienceGravity on the Moon is about one-sixth as strong as on Earth. A rover weighs 858 N on Earth. About how much would it weigh on the Moon?
N