1) Which is the coldest planet?  a) Neptune b) Mars  c) Uranus 2) Whis is the hottest planet? a) Mars b) Venus c) Neptune 3) How many planets are there in the solar system? a) 7 b) 8 c) 9 4) What planet is covered 70% by water? a) Earth b) Mars c) Neptune 5) The biggest planet is... a) Earth b) Jupiter c) Saturn 6) The smallest planet is.... a) Mercury b) Mars c) Venus 7) Which planet is this? a) Jupiter b) Saturn c) Venus 8) Which planet is this? a) Mars b) Venus c) Earth

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