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