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