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