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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 1 of 5

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

1Sky observationWhat happens during a lunar eclipse?
2Sky observationIn the Moon’s cycle of phases, which phase comes right after the new moon?
3Sky observationWhat is the main cause of Earth's seasons?
4Sky observationWhy does Polaris (the North Star) seem to stay almost still in the night sky?
5Solar systemWhich planet is closer to the Sun: Saturn or Mercury?
6Solar systemWhich is a rocky (terrestrial) planet: Mercury or Saturn?
7Solar systemWhich planet is the largest in our solar system?
8Solar systemIn a model where 1 AU is 2 cm, how far is an object at 5 AU from the origin?
cm
9Space scienceGravity on Mars is about 0.38 times as strong as on Earth. A science instrument weighs 980 N on Earth. About how much would it weigh on Mars? Round to one decimal place.
N
10Space scienceA lander has a mass of 16 kg on Earth. What is its mass on the Moon?
kg
11Space scienceGravity on Mars is about 0.38 times as strong as on Earth. A science instrument weighs 1370 N on Earth. About how much would it weigh on Mars? Round to one decimal place.
N
12Space scienceGravity on Mars is about 0.38 times as strong as on Earth. A science instrument weighs 180 N on Earth. About how much would it weigh on Mars? Round to one decimal place.
N