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