1) Which planet is nearest the Sun? a) Earth b) Venus c) Mars d) Mercury 2) How many planets are there? a) 8 b) 9 c) 10 d) 11 3) What is the Great Red Spot? a) A storm on Jupiter b) A moon of Neptune c) A volcano crater on Mars d) A large sunspot 4) Which is the hottest planet? a) Mercury b) Venus c) Mars d) Jupiter 5) The asteroid belt lies between the orbits of which two planets? a) Venus and Earth b) Earth and Mars c) Mars and Jupiter d) Jupiter and Saturn 6) Which planet is tilted on its side? a) Venus b) Saturn c) Uranus d) Neptune 7) Which of these is NOT a moon of Jupiter? a) Io b) Ganymede c) Europa d) Titan 8) Which substance is the Sun mostly made of? a) Hydrogen b) Helium c) Water d) Methane 9) A ______ is made of dust and ice and has a tail that points away from the Sun. a) Meteor b) Moon c) Comet d) Asteroid 10) How old is the solar system? a) 4,600 years b) 4.6 million years c) 46 million years d) 4,600 million years

j.c. science The Solar System

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