Printable collection · 16 puzzles

Printable Biology Word Searches

16 free printable Biology word searches, shown here at the medium level: up to 15 words hidden in a 12 by 12 grid, one sheet per topic, each a one-page PDF that prints on Letter or A4 with its own answer key.

The sheets: Biology, Life Science, Cells, Cell Division, Macromolecules, Genetics, Evolution, Photosynthesis, Plants, Bacteria and Viruses, Invertebrates, Animal Adaptations, Ecosystems, Food Chains, Biomes, Invasive Species.

Pick a sheet to open its printable page, where the easy, medium and hard levels are, and a fresh grid whenever you want one. Every puzzle also plays online, on your own or against a friend: see all Biology word searches.

Biology Word Search Printables

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  Biology Play
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  Life Science Play
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  Cells Play
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  Cell Division Play
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  Macromolecules Play
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  Genetics Play
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  Evolution Play
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  Photosynthesis Play
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  Plants Play
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  Bacteria and Viruses Play
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  Invertebrates Play
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  Animal Adaptations Play
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  Ecosystems Play
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  Food Chains Play
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  Biomes Play
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  Invasive Species Play

More Word Search Collections

• Hard Word Searches
• Middle School Word Searches
• 4th Grade Word Searches
• Animal Word Searches
• Nature & Garden Word Searches
• 2nd Grade Word Searches
• 3rd Grade Word Searches
• 5th Grade Word Searches