1) What is at the centre of our Solar System? a) Earth b) The Sun c) The Moon d) Jupiter 2) Which planet is the largest? a) Jupiter b) Saturn c) Earth d) Uranus 3) Which planet is known as the Red Planet? a) Venus b) Mercury c) Earth d) Mars 4) Which planet is covered with clouds and very hot? a) Venus b) Neptune c) Mars d) Jupiter 5) The Earth has one ________. a) Ring b) Clous c) Moon d) Mountain 6) The Solar System includes the Sun and ________. a) Only Earth b) Planets, moons, and other objects c) Only stars d) Only clouds 7) Which planet is the hottest in the Solar System? a) Mercury b) Earth c) Venus d) Mars 8) Which planet is extremely cold and windy? a) Earth b) Mars c) Neptune d) Venus 9) Mercury is very hot during the day because ________. a) It has many trees b) It is closest to the Sun c) It is made of fire d) It rotates very fast 10) Which planet has a temperature suitable for living things? a) Uranus b) Mars c) Earth d) Mercury 11) What is an orbit? a) A ring around a planet b) A path a planet takes around the Sun c) A type of shadow d) A star 12) All planets orbit the Sun in ________. a) Straight lines b) Circles or oval paths c) Random directions d) Zig-zag lines 13) Which planet orbits the Sun the fastest? a) Neptune b) Earth c) Mercury d) Jupiter 14) What happens when Earth rotates on its axis? a) Seasons change b) Day and night occur c) The Moon disappears d) Earth stops moving 15) Neptune takes a very long time to orbit the Sun because ________. a) It is very small b) It moves slowly c) It is very far from the Sun d) It has many moons

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