1) What is the Sun? a) A planet b) A star c) A moon d) A comet 2) Which planet is closest to the Sun? a) Earth b) Mars c) Mercury d) Venus 3) What do astronauts wear in space? a) Space suits b) Swim suits c) Uniforms d) Robes 4) Which planet is known as the Red Planet? a) Jupiter b) Mars c) Saturn d) Venus 5) What is the Moon? a) A star b) A planet c) A satellite d) A comet 6) What force keeps us on Earth? a) Magnetism b) Gravity c) Friction d) Wind 7) How many planets are in our solar system? a) Seven b) Eight c) Nine d) Ten 8) What is the largest planet in our solar system? a) Earth b) Jupiter c) Mars d) Saturn 9) What do we call a group of stars? a) Galaxy b) Constellation c) Cluster d) Nebula 10) Which planet is known for its rings? a) Mars b) Saturn c) Venus d) Mercury

Exploring Space

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