1) The Earth is...? a) Spherical b) Flat c) A star d) A moon 2) The ______ orbits the Earth. a) Sun b) Earth c) moon d) solar system 3) The _____ is at the centre of our solar system. a) Moon b) Earth c) Universe d) Sun 4) The Earth orbits _____ ? a) the Moon b) the Sun c) Saturn d) every planet 5) What is the next planet? Mercury, Venus, Earth, _____ a) Saturn b) Uranus c) Venus d) Mars 6) The Sun is a _____ ? a) Star b) Moon c) Planet d) solar system 7) What does the word orbit mean? a) To move up and down b) To move around in a circular motion c) To rotate on an axis d) To grow larger 8) What is the correct order of the planets? a) Mercury, Venus, Mars, Earth, Jupiter, Saturn, b) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune c) Earth, Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto d) Uranus, Neptune, Pluto, Earth, Mercury, Venus, Mars, Jupiter, Saturn 9) A star is? a) A spherical ball of rock b) A Planet c) A frozen sphere of ice d) A huge ball of burning gas 10) How many stars are there in the milkyway galaxy? a) thousands b) hundreds c) hundreds of billions d) hundreds of millions 11) This is an image of? a) The moon b) The sun c) A solar eclipse d) a lunar eclipse 12) A day is? a) the time it takes a planet to orbit the sun. b) The time it takes for the a moon to orbit a planet c) The tilt of the earth. d) The time it takes a planet to rotate once on its axis. 13) 1 Earth day is... a) 24 hours b) 28 days c) 365 days d) 12 hours 14) What causes the seasons on Earth? a) The Earth moving further way from the sun. b) The tilt of the Earth as it orbits. c) The Earth spinning on its axis d) The Earth changing its tilt throughout the year. 15) What is an Earth year? a) The time it takes the Earth to orbit the sun. b) The time it takes for the Earth to spin on it's axis c) The time it takes the moon to orbit the Earth. d) The tilt of the Earth 16) A (lunar) month is.... a) the time it takes a planet to orbit the sun. b) The time it takes for the a moon to orbit a planet c) The tilt of the earth. d) The time it takes a planet to rotate once on its axis. 17) How many planets are there in the solar system? a) 1 b) 2 c) 4 d) 8 18) Which of these is not a way to explore space? a) Telescopes b) Manned missions. c) Microscopes d) Unmanned missions. 19) What causes day and night? a) The Sun orbiting the Earth. b) The Earth orbiting the Sun. c) The Sun rotating on its axis. d) The Earth rotating on its axis. 20) What is this an image of? a) A constellation b) A star c) A planet d) A galaxy 21) What is the approximate speed of light? a) 300,000,000 m/s b) 300m/s c) 1,000,000m/s d) 3,000 m/s 22) How long does it take for light to reach us from the sun. a) Less than 8 minutes b) More than 10 minutes c) 8 minutes d) 8 minutes 20 seconds. 23) At midday what direction is the sun? a) North b) East c) South d) West 24) A scientist manages to discover a new planet by using a telescope, what method is this? a) He carried out practical tests in the lab. b) He asked scientists' opinions. c) He observed the environment. d) He gathered data from books. 25) How long does it take the Earth to orbit the sun once? a) 6 months b) 3 months c) 1 week d) 1 year 26) How could you tell which planet is furthest from the sun? a) See how long its day is (longer day = further out) b) See how long its day is (shorter day = further out) c) See how long its year is (longer year = further out) d) See how long its year is (shorter year = further out) 27) Roughly how far is it from the sun to the Earth? a) 150 million km b) 0.38 million km c) 5900 million km d) 58 million km 28) What season is it in Australia a) Summer b) Autumn c) Winter d) Spring 29) Which of these is NOT a use for satellites? a) communications (phone/internet) b) Weather forecasting c) TV d) microwaving e) space telescope

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