🪐 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)
- Which planet is closest to the Sun?
Answer: Mercury. Mercury is the closest planet to the Sun and also the smallest planet. - Which planet is known as the Red Planet?
Answer: Mars. Mars looks red because its soil is full of rusty iron dust. - What is the biggest planet in our solar system?
Answer: Jupiter. Jupiter is so big that all the other planets could fit inside it. - How many planets are in our solar system?
Answer: Eight. There are eight planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. - Which planet is famous for its bright, wide rings?
Answer: Saturn. Saturn's rings are made of chunks of ice and rock. - 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. - What is the Sun?
Answer: A star. The Sun is a star, a giant ball of hot, glowing gas. - 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. - What is the name of our galaxy?
Answer: The Milky Way. Our solar system is one small part of the Milky Way galaxy. - Which planet is the hottest?
Answer: Venus. Venus is hotter than Mercury because its thick clouds trap the heat. - 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). - What is Pluto called today?
Answer: A dwarf planet. In 2006 scientists decided Pluto is a dwarf planet.
Quick answers
Which planet is closest to the Sun?
Mercury. Mercury is the closest planet to the Sun and also the smallest planet.
Which planet is known as the Red Planet?
Mars. Mars looks red because its soil is full of rusty iron dust.
What is the biggest planet in our solar system?
Jupiter. Jupiter is so big that all the other planets could fit inside it.
How many planets are in our solar system?
Eight. There are eight planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.
Which planet is famous for its bright, wide rings?
Saturn. Saturn's rings are made of chunks of ice and rock.
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