1) Approximately how many years ago was the solar system formed? a) 5.2 billion years ago b) 4.6 billion years ago c) 1.2 billion years ago 2) What is the closest planet to the sun? a) Neptune b) Pluto c) Mercury 3) What is our planet called? a) Saturn b) Earth c) Venus 4) Which planet is red, rocky, cold and dry? a) Mars b) Venus c) Earth 5) Which is the largest planet? a) Saturn b) Venus c) Jupiter 6) Which planet is made of gas and has ice, dust and rock rings? a) Saturn b) Uranus c) Jupiter 7) Which planet is furthest away from the sun? a) Neptune b) Saturn c) Uranus 8) What is the name the hottest planet? a) Saturn b) Venus c) Mars 9) What is the name of the fastest planet? a) Mercury b) Mars c) Uranus 10) How long does it take Neptune to travel once around the sun? a) 165 years b) 162 years c) 160 years

The Solar System

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