Word search puzzles are a fun way to become comfortable with vocabulary words, plus they hone your brain’s ability to recognize patterns. Browse this collection of free printable science word search puzzles. These puzzles cover all forms of science and also math terms. For all puzzles, words can run horizontally, vertically, or diagonally.
Puzzle Download and Printing Instructions
For any puzzle, click the image to view the full-sized puzzle or download the PDF to print a copy. Solved versions are available of all puzzles in both image and PDF formats.
Science History Word Search Puzzles
These puzzles cover various aspects of science history.
- Famous Chemists Puzzle – See how many famous chemists you can find.
- Famous Physicists Puzzle – Find notable physicists by their last names.
Chemistry and Periodic Table Word Search Puzzles
This is a collection of word search puzzles about chemistry and the periodic table of elements.
- Element Word Search – This mega-puzzle includes all of the elements found on the periodic table. It’s a good puzzle for a timed challenge!
- 118 Element Word Search – This is an updated version of the previous word search to include the four new element names for 113, 115, 117, and 118.
- Nonmetals Word Search – Find the nonmetallic elements of the periodic table.
- Chemistry Glassware Word Search – Find the different types of lab glassware.
- General Chemistry Word Search – This puzzle covers basic chemistry vocabulary terms.
- Chemistry Word Jumble – It’s a jumble puzzle, not a word search, but might be helpful to you.
Biology Word Search Puzzle
These biology word search puzzles cover animals, plants, terminology, and other topics.
- Amino Acid Word Search – Find the 20 most common amino acids.
- Biology Word Search – Circle the words relating to biology in this educational puzzle.
- Biome Word Search – Find hidden biome glossary terms. (Simple definitions found below the puzzle)
- Butterfly Word Search – Find words relating to the parts of a butterfly’s body and its life cycle.
- Citrus Fruits Word Search – Find 23 citrus fruit names. (Can you even name 23?)
- DNA Replication Word Search – Find 13 words relating to the process of DNA replication.
- Environmental Science Word Search – 30 hidden environmental science vocabulary terms.
- Life Science Word Search – Another fun biology glossary term word search.
- Gel Electrophoresis Puzzle – Find terms relating to gel electrophoresis.
- Cell Biology Word Search – 30 cell biology-related terms hidden in this word search.
- Genetics Word Search – Find words relating to chromosomes, genes, and heredity.
- Photosynthesis Word Search – This word search puzzle includes terms for the chemicals in photosynthesis and the parts of the plant where the reaction occurs.
- Human Skeleton Word Search – Find the names of the bones of the human body.
- Dinosaur Word Search – Find 30 dinosaur names in this fun prehistoric-themed puzzle.
- Dinosaurs Word Search – The dinosaur hunt is on! Find 18 hidden dinosaurs in this word search.
- Wild Cat Word Search – There’s never enough cats on the internet. Find 24 different wild cat breeds.
- Shark Word Search – Find the names of different types of sharks and learn vocabulary terms relating to these fearsome fish.
- Trees Word Search – Find 30 tree common names. How many have you seen in your yard?
- Flower Word Search – Flowers add a variety of colors to any landscape. Can you find 39 common flower names?
Physics Word Search Puzzle
Here are the physics puzzles.
- Physics Word Search – 30 general physics glossary terms.
- Waves Word Search – 30 general terms dealing with waves and wave motion.
- Geometric Optics Word Search – Find 30 vocabulary terms relating to the study of rays of light.
- Electromagnetic Spectrum Word Search – Find 30 glossary terms related to the various parts of the electromagnetic spectrum.
Geology Word Search Puzzle
Solve geology puzzles relating to earth science, rocks, metals, gems, and geological features.
- Earth Science Puzzle – This word search puzzle includes geology, meteorology, and astronomy or physical science terms.
- Geology Word Search – This word search has 30 geology glossary terms and an added section of definitions for the hidden words.
- Gemstone Word Search – Can you find the 31 gemstones?
- Metal Word Search – Find the names of 24 metals (both elements and alloys).
- Rocks and Minerals Word Search – Embrace your inner rock hound and find the missing 33 rocks and minerals.
- Volcano Word Search – Find the volcano words and learn what they mean using the included glossary.
Astronomy Word Search Puzzle
Practice finding astronomy words, including the names of the solar system’s moons.
- Astronomy Word Search Puzzle – See if you can find the 33 space and astronomy terms in this puzzle. The puzzle also includes a glossary, so you can look up and learn unfamiliar words.
- Moon Vocabulary – Find and circle 33 vocabulary words relating to the Moon and get their definitions.
- Constellations Work Search Puzzle – Find the names of 30 constellations.
- Full Moon Names Word Search – Full moons have names too! Find the 30 different full moons in this word search.
- Jupiter’s Moons Word Search – Find the 50 named moons of Jupiter.
- Saturn’s Moons Word Search – Find the names of 21 of Saturn’s moon in this puzzle.
- Star Names Word Search – Find 30 different named stars from the night sky.
Math Puzzles
These words search puzzles cover math concepts.
- Algebra Word Search – Find 30 algebra terms in this math puzzle.
- 2D and 3D Shapes – This word search lists the names of 2D and and 3D shapes, plus defines them for further study.
- Geometry Word Search – This word search contains 30 different geometry glossary terms.
Weather Word Search Puzzle
Here are weather puzzles for you.
- Weather Word Search Puzzle – See how well you can find types of clouds, precipitation, and other meteorology-related terms.
- Cloud Word Search Puzzle – Find 18 cloud-related terms in this educational puzzle.
More Science Word Search Puzzles
These puzzles don’t fit neatly into any of the other categories, yet relate to science.
- Scientific Disciplines – Find the names of 30 branches of science or “ologies.”
- Scientific Method – Find 30 terms relating to the scientific method.
- SI Units Word Search – These vocabulary words are SI (metric) units.
- Physical Science Word Search – Glossary terms from the study of physical science.
- Natural Disasters Word Search – Hurricanes, volcanoes, and meteors, without all the risk of the actual experience!