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