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🪐 Space trivia for kids - planets and solar system quiz

Kids 8-12 · 12 questions

3, 2, 1... blast off! See how much you know about our solar system and beyond.

Question 1 of 12 · Score 0

Which planet is closest to the Sun?

📋 All questions with answers (for teachers and parents)
  1. Which planet is closest to the Sun?
    Answer: Mercury. Mercury is the closest planet to the Sun and also the smallest planet.
  2. Which planet is known as the Red Planet?
    Answer: Mars. Mars looks red because its soil is full of rusty iron dust.
  3. What is the biggest planet in our solar system?
    Answer: Jupiter. Jupiter is so big that all the other planets could fit inside it.
  4. How many planets are in our solar system?
    Answer: Eight. There are eight planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.
  5. Which planet is famous for its bright, wide rings?
    Answer: Saturn. Saturn's rings are made of chunks of ice and rock.
  6. Who was the first person to walk on the Moon?
    Answer: Neil Armstrong. Neil Armstrong stepped onto the Moon in 1969, with Buzz Aldrin right behind him.
  7. What is the Sun?
    Answer: A star. The Sun is a star, a giant ball of hot, glowing gas.
  8. How long does it take Earth to travel once around the Sun?
    Answer: About one year. One trip around the Sun takes about 365 days, which is one year.
  9. What is the name of our galaxy?
    Answer: The Milky Way. Our solar system is one small part of the Milky Way galaxy.
  10. Which planet is the hottest?
    Answer: Venus. Venus is hotter than Mercury because its thick clouds trap the heat.
  11. What causes day and night on Earth?
    Answer: Earth spinning on its axis. As Earth spins, your side faces the Sun (day) and then turns away (night).
  12. What is Pluto called today?
    Answer: A dwarf planet. In 2006 scientists decided Pluto is a dwarf planet.

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