Solar System crosswords for kids
Tour all the planets orbiting our sun. Every sheet is generated and checked before it reaches the page, and each one prints with its answer key.
3 crosswords on this page
Every level is below with its answer key. Print the one you want; the others stay off the paper.
Solar System crossword: Easy
Ages 4-6
Solar System Crossword
Easy (Ages 4-6)
Across
- 5. Rocky planets like Earth and Mars
- 6. Force that keeps planets orbiting the sun
Down
- 1. The closest and smallest planet to the sun
- 2. A planet spinning around on its own axis
- 3. Layer of gases surrounding a planet
- 4. Rocky objects orbiting between Mars and Jupiter
Solar System Crossword - Answer Key
Easy (Ages 4-6)
Solar System crossword: Medium
Ages 7-9
Solar System Crossword
Medium (Ages 7-9)
Across
- 2. A planet spinning around on its own axis
- 4. The largest planet in our solar system
- 7. Rocky planets like Earth and Mars
- 9. Farthest planet with the strongest winds
- 10. Force that keeps planets orbiting the sun
Down
- 1. Layer of gases surrounding a planet
- 3. The closest and smallest planet to the sun
- 5. Famous for its beautiful icy rings
- 6. Ice giant that spins on its side
- 8. Rocky objects orbiting between Mars and Jupiter
Solar System Crossword - Answer Key
Medium (Ages 7-9)
Solar System crossword: Hard
Ages 10+
Solar System Crossword
Hard (Ages 10+)
Across
- 1. Hottest planet with thick toxic clouds
- 3. Category for smaller round objects like Pluto
- 5. The largest planet in our solar system
- 8. Path each planet follows around the sun
- 11. Rocky planets like Earth and Mars
- 13. Rocky objects orbiting between Mars and Jupiter
- 14. Farthest planet with the strongest winds
Down
- 2. Ice giant that spins on its side
- 4. Our home planet with liquid water
- 6. A planet spinning around on its own axis
- 7. The closest and smallest planet to the sun
- 9. Layer of gases surrounding a planet
- 10. Force that keeps planets orbiting the sun
- 12. Famous for its beautiful icy rings
Solar System Crossword - Answer Key
Hard (Ages 10+)
The whole solar system pack
All 5 activities on this theme in one printable file: maze, word search, crossword, word scramble and bingo.
More solar system puzzles
The same words, four other ways to play.
More space crosswords
About Solar System Crossword
Our Solar System crossword puzzles turn a favorite kids' topic into a printable they actually want to finish. Tour all the planets orbiting our sun. Each one is built around themed words like moon, mercury and pluto, so children pick up solar system vocabulary by playing - not from a flashcard.
Choose easy, medium, or hard to match your child (ages 4-6, 7-9, or 10+). Every level is free, comes with an answer key, and quietly builds vocabulary, spelling, and clue-based reasoning - a no-prep pick for a quiet afternoon at home or a themed activity in class.
Common questions
Are these solar system crossword puzzles free to print?+
Yes, completely free. No signup required. Print as many as you need for home or classroom use.
What age are solar system crosswords designed for?+
Easy crosswords (ages 4-6) have fewer clues and simple words. Medium (ages 7-9) adds more complexity. Hard (ages 10+) uses longer vocabulary and trickier clues.
Do the crossword puzzles come with answers?+
Yes. The answer key prints on a separate page with the completed grid so you can check work easily.