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