Class 3 GK Worksheet: Our Solar System
Remember (My Very Easy Method): Order from the Sun: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune (“My Very Easy Method Just Speeds Up Naming”). Mercury – closest and smallest, Venus – hottest, Mars – the red planet, Jupiter – largest, Saturn – famous rings, Neptune – farthest. The Sun and the Pole Star are stars; the Moon, Titan and Ganymede are moons; Earth has 1 moon.
NameDateTime takenScore ___ / 40
- 1.🪐 Which planet is the smallest planet? (a) Mercury (b) Venus (c) Jupiter (d) Saturn
- 2.🪐 How many planets go round the Sun?
- 3.Which of these is a star? (a) Earth (b) Venus (c) Saturn (d) the Sun
- 4.🪐 Which planet has oceans of water? (a) Venus (b) Mercury (c) Jupiter (d) Earth
- 5.Which of these is true of Mercury? (a) is the hottest planet (b) is farthest from the Sun (c) spins tipped on its side (d) is closest to the Sun
- 6.🌌 Is Earth a star, a planet or a moon? (a) a planet (b) a moon (c) a star
- 7.🪐 Which planet spins tipped on its side? (a) Earth (b) Saturn (c) Uranus (d) Mars
- 8.True or false: Jupiter is called the red planet. (a) True (b) False
- 9.🪐 Which planet is called the red planet? (a) Mars (b) Earth (c) Saturn (d) Uranus
- 10.🪐 Which planet is farthest from the Sun? (a) Mercury (b) Mars (c) Neptune (d) Jupiter
- 11.🌌 Is the Moon a star, a planet or a moon? (a) a star (b) a moon (c) a planet
- 12.True or false: Mars spins tipped on its side. (a) False (b) True
- 13.🌌 Is Jupiter a star, a planet or a moon? (a) a moon (b) a star (c) a planet
- 14.🪐 Which planet is closest to the Sun? (a) Earth (b) Neptune (c) Jupiter (d) Mercury
- 15.🌌 Is Saturn a star, a planet or a moon? (a) a moon (b) a planet (c) a star
- 16.True or false: Saturn is the largest planet. (a) False (b) True
- 17.Which of these is true of Neptune? (a) spins tipped on its side (b) is farthest from the Sun (c) is the planet we live on (d) is the hottest planet
- 18.🔭 What do we use to see faraway stars and planets clearly? (a) a stethoscope (b) a microscope (c) a telescope (d) a periscope
- 19.📅 About how many days does Earth take to go once round the Sun?
- 20.Which of these is true of Mars? (a) is the largest planet (b) spins tipped on its side (c) is called the red planet (d) is farthest from the Sun
- 21.🪐 Which planet is famous for its rings? (a) Saturn (b) Mars (c) Mercury (d) Uranus
- 22.🌕 Why does the Moon shine at night? (a) it reflects sunlight (b) it is on fire (c) it makes its own light (d) it has lamps
- 23.True or false: Earth is the smallest planet. (a) True (b) False
- 24.Which of these is a planet? (a) Saturn (b) Sirius (c) the Pole Star (d) the Sun
- 25.🕐 About how many hours does Earth take to spin round once?
- 26.Which of these is true of Earth? (a) is famous for its rings (b) has oceans of water (c) is the largest planet (d) is the hottest planet
- 27.Which of these is true of Venus? (a) is famous for its rings (b) is the planet we live on (c) is the hottest planet (d) is the smallest planet
- 28.Which of these is true of Uranus? (a) is called the red planet (b) is the planet we live on (c) spins tipped on its side (d) is the largest planet
- 29.🪐 Which planet is the largest planet? (a) Earth (b) Jupiter (c) Uranus (d) Saturn
- 30.Which of these is true of Jupiter? (a) is the largest planet (b) is closest to the Sun (c) is the hottest planet (d) spins tipped on its side
- 31.Which of these is a moon? (a) the Sun (b) Phobos (c) the Pole Star (d) Jupiter
- 32.True or false: Jupiter is the planet we live on. (a) False (b) True
- 33.True or false: Venus is closest to the Sun. (a) False (b) True
- 34.🌌 Is the Sun a star, a planet or a moon? (a) a star (b) a planet (c) a moon
- 35.Which of these is a planet? (a) the Moon (b) Ganymede (c) the Sun (d) Venus
- 36.🪐 Which planet is the hottest planet? (a) Venus (b) Uranus (c) Saturn (d) Jupiter
- 37.True or false: Earth is the hottest planet. (a) False (b) True
- 38.☀️ Counting from the Sun, what number planet is Mercury?
- 39.Which of these is a moon? (a) Venus (b) Titan (c) Sirius (d) Mars
- 40.🌌 Is Sirius a star, a planet or a moon? (a) a planet (b) a moon (c) a star
Answer key
- Mercury
- 8
- the Sun
- Earth
- is closest to the Sun
- a planet
- Uranus
- False
- Mars
- Neptune
- a moon
- False
- a planet
- Mercury
- a planet
- False
- is farthest from the Sun
- a telescope
- 365
- is called the red planet
- Saturn
- it reflects sunlight
- False
- Saturn
- 24
- has oceans of water
- is the hottest planet
- spins tipped on its side
- Jupiter
- is the largest planet
- Phobos
- False
- False
- a star
- Venus
- Venus
- False
- 1
- Titan
- a star
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