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