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