1) The sun and planets are called? a) the space b) Solar System c) galaxy 2) the planets in the Solar System move around the ___________ . a) Earth b) Sun c) Moon 3) What does Sun give us? a) water b) weather c) light and heat 4) How long does the Earth orbit the Sun? a) 1 day b) 10 hours c) 365 days, 1 year 5) Which planet is the closest to the Sun? a) Mercury b) Earth c) Pluto 6) The hottest planet in the Solar System is __________ ? It glows in the dark. a) Neptune b) Venus c) Mars 7) Earth is the only planet where life is known to exist because ___________________ ? a) Air and heat b) water c) air, water, and heat 8) Which one moves around the Earth? a) Saturn b) Moon c) Jupiter 9) Which planet is called the red planet? a) Mars b) Venus c) Mercury 10) Which is the biggest planet in the Solar System. a) Earth b) Jupiter c) Uranus 11) What does Saturn's ring make of? a) 10 pieces of rock b) millions of pieces of rock and ice c) gases 12) What is a crater? a)  A round hole on a planet or moon made by a rock crashing into it. b) People dig a hole c) A robot 13) What is a rover? a) river b) a TV c) a computer and a controlled vehicle that drives across a planet

Questions about Solar System

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