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