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.👩🚀 What do we call a person trained to travel into space? (a) a diver (b) a pilot (c) a sailor (d) an astronaut
- 2.🪐 Which planet is the smallest planet? (a) Venus (b) Earth (c) Mercury (d) Saturn
- 3.Which of these is a star? (a) Titan (b) Saturn (c) Phobos (d) Sirius
- 4.Which of these is a planet? (a) the Pole Star (b) the Sun (c) Mars (d) Ganymede
- 5.Which of these is true of Earth? (a) is closest to the Sun (b) spins tipped on its side (c) is the largest planet (d) is the planet we live on
- 6.🌌 Is Sirius a star, a planet or a moon? (a) a star (b) a planet (c) a moon
- 7.🪐 How many planets go round the Sun?
- 8.True or false: Mercury is closest to the Sun. (a) True (b) False
- 9.🕐 About how many hours does Earth take to spin round once?
- 10.☀️ Counting from the Sun, what number planet is Neptune?
- 11.🌌 Is Saturn a star, a planet or a moon? (a) a star (b) a planet (c) a moon
- 12.🌌 Is the Moon a star, a planet or a moon? (a) a star (b) a moon (c) a planet
- 13.📅 About how many days does Earth take to go once round the Sun?
- 14.🪐 Which planet is famous for its rings? (a) Saturn (b) Earth (c) Uranus (d) Neptune
- 15.True or false: Mercury has oceans of water. (a) True (b) False
- 16.Which of these is true of Uranus? (a) is the planet we live on (b) has oceans of water (c) spins tipped on its side (d) is called the red planet
- 17.🌌 Is Ganymede a star, a planet or a moon? (a) a planet (b) a star (c) a moon
- 18.🌍 How many moons does Earth have?
- 19.🪐 Which planet is closest to the Sun? (a) Mercury (b) Neptune (c) Mars (d) Uranus
- 20.Which of these is true of Mercury? (a) spins tipped on its side (b) is the largest planet (c) is closest to the Sun (d) is the hottest planet
- 21.🌕 Why does the Moon shine at night? (a) it has lamps (b) it makes its own light (c) it is on fire (d) it reflects sunlight
- 22.☀️ Counting from the Sun, what number planet is Mars?
- 23.🌓 Why do we have day and night? (a) clouds cover the sky (b) the Moon hides the Sun (c) Earth spins on its axis (d) the Sun switches off
- 24.☀️ Counting from the Sun, what number planet is Mercury?
- 25.🌌 Is Venus a star, a planet or a moon? (a) a star (b) a moon (c) a planet
- 26.🪐 Which planet has oceans of water? (a) Earth (b) Neptune (c) Mercury (d) Venus
- 27.Which of these is true of Venus? (a) is the hottest planet (b) is farthest from the Sun (c) is the largest planet (d) spins tipped on its side
- 28.🪐 Which planet is the planet we live on? (a) Earth (b) Mars (c) Venus (d) Uranus
- 29.Which of these is true of Mars? (a) is the smallest planet (b) has oceans of water (c) is called the red planet (d) is closest to the Sun
- 30.🌌 Is Phobos a star, a planet or a moon? (a) a star (b) a planet (c) a moon
- 31.Which of these is true of Neptune? (a) is farthest from the Sun (b) is the smallest planet (c) is closest to the Sun (d) spins tipped on its side
- 32.🪐 Which planet is farthest from the Sun? (a) Saturn (b) Venus (c) Neptune (d) Mercury
- 33.🌌 Is Earth a star, a planet or a moon? (a) a planet (b) a star (c) a moon
- 34.Which of these is true of Jupiter? (a) is called the red planet (b) is the largest planet (c) is the hottest planet (d) is farthest from the Sun
- 35.☀️ Counting from the Sun, what number planet is Earth?
- 36.Which of these is a moon? (a) Saturn (b) Ganymede (c) Venus (d) the Sun
- 37.☀️ Counting from the Sun, what number planet is Saturn?
- 38.True or false: Neptune is farthest from the Sun. (a) True (b) False
- 39.True or false: Saturn spins tipped on its side. (a) True (b) False
- 40.Which of these is a moon? (a) Jupiter (b) Mars (c) the Moon (d) Saturn
Answer key
- an astronaut
- Mercury
- Sirius
- Mars
- is the planet we live on
- a star
- 8
- True
- 24
- 8
- a planet
- a moon
- 365
- Saturn
- False
- spins tipped on its side
- a moon
- 1
- Mercury
- is closest to the Sun
- it reflects sunlight
- 4
- Earth spins on its axis
- 1
- a planet
- Earth
- is the hottest planet
- Earth
- is called the red planet
- a moon
- is farthest from the Sun
- Neptune
- a planet
- is the largest planet
- 3
- Ganymede
- 6
- True
- False
- the Moon
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