29 Free Science Word Search Puzzles

Science Word Find Puzzles for Kids

Multiracial teacher and children in science lab
kali9/Getty Images

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. 

If it's the beginning of the school year, the kids will love this free, printable back to school word search puzzles.

Biology Word Search Puzzles

Boy looking at leaf through magnifying glass while standing with friends at table
Hero Images/Getty Images

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

  1. Omnivores Word Search Puzzle: Seek out 17 animals that are omnivores in this word search puzzle.
  2. Carnivores Word Search Puzzle: Find 17 carnivores in this word search puzzle.
  3. Herbivores Word Search Puzzle: There are 19 herbivore animals hiding in this animal word search.
  4. Cells Word Search: Find 30 words related to cells in this free, printable science word search.
  5. Human Body Word Search: The students will be busy with this 59 term word search puzzle all about the human body.

Earth Science Word Search Puzzles

Schoolboy taking notes at microscope science laboratory classroom
Hero Images/Getty Images

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:

  1. Earth Word Search: This is a general earth science word search where you'll need to find 18 words.
  2. Trees Word Search: Find 20 tree varieties in this earth science words each puzzle.
  3. Flowers Word Search: Search for 10 flower names in this word search puzzle.
  4. Earth Science Word Search Puzzle: This 48 term word search puzzle is all about what makes up the Earth.
  5. Earth & Environmental Science Word Search: Find 14 weather and environmental related words in this puzzle.

Astronomy Word Search Puzzles

Boy looking at globe
Tetra Images/Getty Images

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

  1. Neptune Word Search: Look forwards and backward to find 25 words about the planet Neptune in this word search.
  2. Cycle of the Stars Word Search Puzzle: Seek out 23-star cycle words in this puzzle.
  3. Planet Uranus Word Search: There are 29 words hiding in this word search puzzle.
  4. Mercury Word Search Puzzle: There are 34 words that need to be found about Mercury in this science word search puzzle.
  5. Jupiter's Moons Word Search: Find all 37 of Jupiter's Moons to solve this puzzle.
  6. Constellations Word Search: There are 40 constellations to find in this astronomy word search puzzle.

Chemistry Word Search Puzzles

School girl examining liquid in beaker
Hero Images/Getty Images

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

  1. Mixture Word Search: Find 15 hidden words in this word search puzzle.
  2. Element Word Search: There are 10 hidden words to spy in this printable science word search.
  3. General Chemistry Word Search: Find 25 chemistry terms in this chemistry word search puzzle.
  4. Chemistry Word Search for Kids: The students will need to hunt down 20 chemistry related words in this science word search.
  5. Chemical Reactions Word Search Puzzle: Look for chemical reactions in this free word search puzzle from Word Search Labs.

Physics Word Search Puzzles

Girl playing with large Newtons Cradle on playground
Hero Images/Getty Images

This free science word search puzzle is about electronics:

  1. Physics!: There are just 12 hidden physics terms in this free word search puzzle, making it an ideal choice for elementary school.
  2. 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.
  3. World of Physics: Here's a huge science word search puzzle all about the world of physics.
  4. Physics of Motion: There are 20 hidden words in this physics word search that can be printed and completed by hand or solved online.
  5. 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

Little girl writing equations on white background
Images By Tang Ming Tung/Getty Images

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

  1. Thomas Edison Word Search: Find 18 words about Thomas Edison in this science word search.
  2. Famous Scientists Word Search: There are the last names of 24 famous scientists in this free word search puzzle.
  3. Famous Physicists Word Search: Find 40 famous physicists in this large word search puzzle.
  4. Famous Chemists Wordsearch: There are 35 hidden last names of famous chemists in this free, printable word search puzzle.