Science Word Search Puzzles

Print science word search puzzles covering biology, chemistry, space, weather, and classroom science vocabulary.

65 puzzles available

Browse Science Word Searches by Topic

Choose a focused topic, then play online or use the printable option on the puzzle page.

Chemistry and the Periodic Table

Practice element names, metals, nonmetals, atoms, and lab vocabulary.

Biology and the Human Body

Review cells, bones, body systems, genetics, and anatomy.

Earth and Space Science

Find vocabulary about planets, rocks, earthquakes, weather, and space.

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Metals, Common

medium · 17 words · 15x15

Find 17 common metals, including iron, copper, gold, silver, zinc, nickel, titanium, and tungsten, in this printable science word search.

Obscure Metals & Metalloids

medium · 20 words · 18x18

Find 20 less familiar metals and metalloids, including antimony, arsenic, boron, germanium, palladium, selenium, and tantalum.

Human Bones

medium · 20 words · 17x17

A word search puzzle game covering many of the bones found in the human body.

Gases

medium · 16 words · 21x21

Types of Igneous Rock

medium · 20 words · 18x18

Types of Sedimentary Rock

medium · 22 words · 18x18

Types of Metamorphic Rock

medium · 19 words · 17x17

Algebra Word Search

medium · 15 words · 17x17

Find different words related to Algebra.

Polynomials

medium · 16 words · 17x17

Find various words related to Algebra.

Urinalysis

medium · 24 words · 21x21

Travel to Urinalysis and you may catch a glimpse of these microscopic findings!

Hematology

medium · 20 words · 21x21

Travel to Hematology to take a close look into a blood smear!

Chemistry

medium · 20 words · 20x20

Travel to Chemistry to check out some chemical reactions within the human body.

Microbiology

medium · 20 words · 21x21

Travel to Microbiology to see what is normal flora vs a pathogen in the body.

Blood Bank

medium · 20 words · 20x20

Travel to Blood Bank to see if you are compatible!

Pathology

medium · 19 words · 21x21

Travel to Pathology to learn what goes on in gross pathology, cytology, and histology.

Chemical Elements : Non Metals

medium · 19 words · 16x16

Search the grid for 19 periodic-table terms, including oxygen, nitrogen, hydrogen, carbon, chlorine, neon, argon, and xenon.

Properties of Matter

medium · 15 words · 17x17

There are three forms of matter (liquid, solid, and gas)

Polynomials

medium · 24 words · 21x21

Polynomial vocabularies

Planets

medium · 13 words · 17x17

Find all the planets of our solar system hidden in this word search, plus and few stars and of course Pluto

The Respiratory System

medium · 16 words · 18x18

Find the missing letters related to the respiratory system

Printable Science Word Searches

Can I print these puzzles?

Yes. Open any puzzle and choose the printable version to download a PDF, image, or answer key when available.

Are these puzzles free?

Yes. The Science word search puzzles are free to play online and print for personal, classroom, or activity use.