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