Water treatment crossword with vocabulary on filtration, desalination, and osmosis.

Crossword Puzzle

Water Treatment Crossword Puzzle

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A 22-clue science crossword on water treatment and purification. Vocabulary includes desalination, reverse osmosis, filtration, distillation, sterilization methods like chlorine and ultraviolet radiation, and key terms like aquifer, potable water, and partially permeable membranes. Suitable for Grades 7–9 earth science and chemistry units on water resources and treatment.

Subject:: Science
Topic:: Earth Science
Grade Level:: 7th – 9th Grades
Updated February 2026

How to Use This Crossword Puzzle

Print this crossword for classroom use, homework packets, or sub plans. Click 'View Crossword' to modify clues, adjust difficulty, or add your own words before downloading as a PDF. An answer key is included with every download.