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Solar System crossword puzzle (free printable)

All eight planets plus the Sun, Moon and a few space terms. A science review crossword that doubles as a quick check before a space unit test.

Solar System Crossword

10 × 15 grid · 6 across, 7 down

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Solar System Crossword

NameDate

123456789101112

Across

  1. 2 Farthest planet from the Sun (7)
  2. 4 Icy body with a glowing tail (5)
  3. 7 Force that keeps planets in their paths (7)
  4. 9 Planet closest to the Sun (7)
  5. 10 Hottest planet, covered in thick clouds (5)
  6. 12 The red planet (4)

Down

  1. 1 Largest planet, with a Great Red Spot (7)
  2. 3 The only planet known to have life (5)
  3. 5 Curved path around a star or planet (5)
  4. 6 Planet famous for its bright rings (6)
  5. 8 Ice giant that spins on its side (6)
  6. 9 Earth's natural satellite (4)
  7. 11 The star at the center of our system (3)

Solar System Crossword — Answer key

1J2NEPTUN3EPAIR4C5OMETTREH6SBR7GRAVITYTTU8U9MERCURYONAO10VENU11SNUU12MARSN

Across

  1. 2 Farthest planet from the Sun (7) NEPTUNE
  2. 4 Icy body with a glowing tail (5) COMET
  3. 7 Force that keeps planets in their paths (7) GRAVITY
  4. 9 Planet closest to the Sun (7) MERCURY
  5. 10 Hottest planet, covered in thick clouds (5) VENUS
  6. 12 The red planet (4) MARS

Down

  1. 1 Largest planet, with a Great Red Spot (7) JUPITER
  2. 3 The only planet known to have life (5) EARTH
  3. 5 Curved path around a star or planet (5) ORBIT
  4. 6 Planet famous for its bright rings (6) SATURN
  5. 8 Ice giant that spins on its side (6) URANUS
  6. 9 Earth's natural satellite (4) MOON
  7. 11 The star at the center of our system (3) SUN

About this solar system crossword

This free solar system crossword has 13 answers — 6 across and 7 down — in a 10 × 15 grid. Every clue was written for this puzzle. It prints on one page with the answer key on the next, and you can also solve it online: type into the squares and press Check answers to see any wrong letters.

Want a quicker activity with the same words? Try the solar system word scramble.

Answers

MERCURY, VENUS, EARTH, MARS, JUPITER, SATURN, URANUS, NEPTUNE, SUN, MOON, ORBIT, COMET, GRAVITY

Ways to use it

  • Review before a space unit test
  • Homework after a planetarium visit
  • Partner challenge: who solves it fastest?

Puzzle facts

Answers13 (longest: MERCURY, 7 letters)
Grid10 × 15 squares, 6 across and 7 down
Recommended forGrades 3–6
HelpsLetter counts after each clue
Answer keyYes — on page 2 when printed
FormatsPrint, PDF (via your browser's print dialog), PNG, play online

How to print or save as PDF

  1. Click Print / PDF above the puzzle.
  2. Choose your printer, or choose "Save as PDF" as the destination to keep a file.
  3. Print at 100% scale on letter or A4 paper. Page 1 is the puzzle, page 2 is the answer key.

FAQ

Is this solar system crossword free to print?

Yes. The puzzle and its answer key are free to print, save as PDF or download as PNG for home, classroom or party use. No sign-up is needed.

What age is this solar system crossword for?

Grades 3–6. It has 13 answers in a 10 × 15 grid, with letter counts after each clue.

Where is the answer key?

Click Answer key above the puzzle to see it on screen. When you print, the answer key comes out on its own page after the puzzle.

Can I change the words or clues?

Yes. Click Customize to open this exact crossword in the free crossword maker, where you can edit the clues, add or remove words, add a word bank and print your own version.

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