Free Science Crossword Puzzle — Printable Maker

Free printable science crossword puzzle. Make a numbered science crossword from a ready-made 12-word clue list, with an answer key. Great for classrooms and p

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Put this crossword on one page with a sudoku, a cryptogram or a maze, or build a workbook with one puzzle a page.

See how it works· 1:03

Open Science crossword in the maker

Loads the 12-word science clue list, ready to generate and print.

The Science words and clues

The maker interlocks these 12 science words into a numbered crossword with a separate answer key.

GRAVITY — Force that pulls objects toward the Earth
MOLECULE — Smallest unit of a chemical compound
NUCLEUS — Control center of a cell
OXYGEN — Gas we breathe that has the symbol O
PHOTON — A particle of light
CARBON — Element found in all living things
ELECTRON — Negatively charged subatomic particle
PROTEIN — Large molecule made of amino acids
MAGNET — Object that attracts iron and creates a field
FOSSIL — Preserved remains of an ancient organism
CLIMATE — Long-term weather patterns of a region
ATOM — Smallest unit of a chemical element

A ready-made Science crossword

This page starts you with a 12-word science clue list that the maker interlocks into a numbered crossword grid automatically. Every puzzle includes a separate answer-key page, so you can hand it out and check it in seconds. Open it in the maker to edit the words and clues, add your own, or change the layout, then download a print-ready PDF.

Ways to use a Science crossword

A themed science crossword makes a strong vocabulary review, an early-finisher activity, a sub-plan page, or an interior page in a puzzle book. The clues reinforce science terms while the grid keeps solvers engaged, and you can mix in shorter and longer words so the puzzle fits every reader.

Frequently Asked Questions

Is the science crossword free to print?

Yes. Generate and download the science crossword free, with an answer key. Free PDFs carry a small footer credit; Premium removes it.

Can I edit the science words and clues?

Yes. This preset loads a ready-made 12-word science clue list, but you can edit, add, or remove any word/clue pair in the maker and regenerate the grid before you print.

How many words should a science crossword have?

Ten to twenty words works well for a single-page crossword. Using a mix of short and longer science words that share common letters helps them interlock into a denser, cleaner grid.

More crossword themes

Full crossword maker →Animals→US Geography→Sports→Holidays→Space & Astronomy→Human Body→Weather→Musical Instruments→World Landmarks→

Free for your classroom, and staying that way

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Publishing a puzzle book? Turn your crossword puzzles into a complete KDP-ready book with a title page, answer key and cover. Build my book free →Don't want to make one? Download 100+ ready-made printable puzzles — free, with answer keys. Browse free printables →Into puzzles? We publish hand-crafted puzzle books too — cryptograms, word games, and more. Browse our collection →

Ready-made crossword puzzles to print

All free puzzles

Want a head start? Print one of these free, ready-made crossword PDFs with an answer key, or open the maker above to build your own from any word list.