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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 2 of 5

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

1Sky observationWhy do we see Moon phases?
2Sky observationIn the Moon’s cycle of phases, which phase comes right before the first quarter?
3Sky observationWhich star is closest to Earth?
4Sky observationWhich is a safe substitute for direct solar viewing in this course?
5Solar systemWhich planet is closer to the Sun: Neptune or Venus?
6Solar systemWhich is a rocky (terrestrial) planet: Mars or Uranus?
7Solar systemWhich planet is closest to the Sun?
8Solar systemWhich force primarily binds planetary orbits on solar-system scales?
9Space scienceA lander has a mass of 44 kg on Earth. What is its mass on the Moon?
kg
10Space scienceGravity on Mars is about 0.38 times as strong as on Earth. A toolbox weighs 450 N on Earth. About how much would it weigh on Mars? Round to one decimal place.
N
11Space scienceGravity on the Moon is about one-sixth as strong as on Earth. A lander weighs 732 N on Earth. About how much would it weigh on the Moon?
N
12Space scienceGravity on the Moon is about one-sixth as strong as on Earth. A lander weighs 762 N on Earth. About how much would it weigh on the Moon?
N