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