29 Free Science Word Search Puzzles

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Science word search puzzles are a great way to get students comfortable with new science terms or strengthen science vocabulary. Not only are science word search puzzles a great teaching tool but kids seem to really have a fun time completing them.

The science word search puzzles below are organized by area of science - biology, earth science, astronomy, chemistry, physics, and famous scientists. They are also organized with the easiest word searches listed at the beginning of the lists.

All these science word search puzzles are printable and free to do so. They're a great resource to use in the classroom or at home. 

Biology Word Search Puzzles

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These science word search puzzles are all about biology. You'll find puzzles over animals and bones here.

Earth Science Word Search Puzzles

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The science word search puzzles below are about earth science. You'll be able to print off puzzles about earth science words, trees, and flowers:

Astronomy Word Search Puzzles

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These science word searches are over astronomy. You'll find puzzles on planets, stars, moons, and constellations below.

Chemistry Word Search Puzzles

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The printable science word search puzzles below are over the area of Chemistry. They're about elements, atoms, and more.

Physics Word Search Puzzles

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This free science word search puzzle is about electronics:

  • Electronics Word Search - After you find all 40 words you can use the rest of the letters to spell out the name of an electric component.
  • World of Physics - Here's a huge science word search puzzle all about the world of physics.
  • Physics of Motion - There are 20 hidden words in this physics word search that can be printed and completed by hand or solved online.
  • Physics 1 Word Search - There are just under 50 hidden words in this free word search puzzle that has everything to do with basic physics.

Famous Scientists Word Search Puzzles

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The inventor of everything from the phonograph to the light bulb, have fun with this Thomas Edison puzzle:

  • Thomas Edison Word Search - Find 18 words about Thomas Edison in this science word search.
  • Famous Scientists Word Search - There are the last names of 24 famous scientists in this free word search puzzle.
  • Famous Physicists Word Search - Find 40 famous physicists in this large word search puzzle.
  • Famous Scientists of History - Students will need to find the last name of some famous scientists of history in this free science word find puzzle.