1) Imagine that the earth is this big (the size of a small marble). How big is the sun? a) The size of a tennis ball. b) The size of a football. c) The size of a big beach ball. 2) How many major planets are there in the solar system? a) Seven. b) Eight. c) Ten. 3) Which is the hottest planet? a) Neptune. b) Venus. c) Mars. 4) Where does the planet Mercury's name come from? a) A kind of metal. b) The messenger of the Roman gods. c) A fast car. 5) How long is a day and night on Jupiter? a) 9 Earth hours and 50 Earth minutes. b) 90 Earth hours and 15 Earth minutes. c) 24 Earth hours. 6) What are Saturn's rings? a) Coloured clouds. b) A line of moons that spin around the planet. c) A long line of pieces of rock and dust. 7) How long is one year on Uranus? a) 8 Earth years and 4 Earth months. b) 84 Earth years. c) 18 Earth months. 8) What are Pluto, Ceres, and Eris? a) Dwarf planets in our solar system. b) Giant planets in our solar system. c) Spaceships visiting planets in our solar system.

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