1) What protects the earth from radiation and meteoroids from the sun? a) stars b) Atmosphere c) clouds d) oxygen  e) gravity  2) What is the coldest planet in our solar system? a) Earth b) Mars c) Saturn  d) Uranus e) Jupiter  3) What is the hottest planet in our solar system? a) Uranus b) Mars c) Venus d) Jupiter e) Mercury 4) What is the smallest planet in our solar system? a) Jupiter b) Mercury  c) Moon d) Uranus e) Saturn  f) Sun 5) Is Saturn larger than Neptune? a) True b) False  6) What is the biggest planet in our solar system? a) Jupiter b) Neptune c) Uranus  d) Mars e) Sun f) Moon 7) What planet is closest to the sun? a) Jupiter b) Uranus c) Sun d) Neptune e) Mercury f) Venus 8) What is the brightest planet in the night sky? a) Venus b) Jupiter c) Neptune d) Uranus e) Mars f) Earth 9) What 5 planets can be seen without a telescope? a) Mercury b) Venus c) Mars d) Jupiter e) Saturn f) Guacamole

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