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Grade 6 · Astronomy & space

Grade 6 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 3 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 waning gibbous?
2Sky observationWhy do we see Moon phases?
3Sky observationWhat causes the seasons on Earth?
4Sky observationIn the Moon’s cycle of phases, which phase comes right before the new moon?
5Solar systemWhich planet is closer to the Sun: Mars or Uranus?
6Solar systemWhich is a rocky (terrestrial) planet: Neptune or Venus?
7Solar systemWhich planet is closest in size to Earth?
8Solar systemWhich force primarily binds planetary orbits on solar-system scales?
9Space scienceGravity on Mars is about 0.38 times as strong as on Earth. A lander weighs 300 N on Earth. About how much would it weigh on Mars? Round to one decimal place.
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10Space scienceGravity on the Moon is about one-sixth as strong as on Earth. A rover weighs 822 N on Earth. About how much would it weigh on the Moon?
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11Space scienceGravity on the Moon is about one-sixth as strong as on Earth. A rover weighs 636 N on Earth. About how much would it weigh on the Moon?
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12Space scienceGravity on Mars is about 0.38 times as strong as on Earth. A science instrument weighs 900 N on Earth. About how much would it weigh on Mars? Round to one decimal place.
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