Word Search

Science

Biology, chemistry, physics, and discoveries.

Explore our collection of science word search puzzles. Each puzzle can be played online or downloaded as a printable PDF worksheet.

63 puzzlesSorted by Most Popular
Skeleton

Skeleton word bank with axial and appendicular bones that support the human body.

medium
5 plays12/1/2025
Names of 2D and 3D Shapes

Names of 2D and 3D shapes spanning polygons, polyhedra, and curved solids.

easy
5 plays12/1/2025
The Rain Forest

Rain forest biodiversity, layers, and conservation themes from canopy to forest floor.

medium
5 plays12/1/2025
Blood

Blood word bank with cells, clotting factors, and the components that carry life.

medium
5 plays12/1/2025
Earthquakes

Earthquake science covering faults, seismic waves, and tectonic triggers.

medium
5 plays12/1/2025
Photosynthesis

Photosynthesis process terms from sunlight capture to glucose production in plants.

medium
5 plays12/1/2025
Evolution

Evolution vocabulary with natural selection, variation, and evidence for life’s change over time.

medium
5 plays8/16/2026
Planets

Planets of our solar system plus key dwarf worlds for astronomy fans.

easy
5 plays12/1/2025
The Plant Cell

The plant cell word bank with green organelles, walls, and energy factories.

medium
5 plays12/1/2025
Periodic Table of Elements Word Search

Periodic table of elements word search covering familiar metals, nonmetals, noble gases, and radioactive elements for chemistry practice.

medium
5 plays8/16/2026
Moon Phases

Moon phases word bank tracking the lunar cycle from new to waning crescent.

easy
5 plays12/1/2025
Blood Bank

Blood bank terminology with typing, storage, and transfusion safety steps.

medium
5 plays12/1/2025
Human Bones

Human bones word bank covering major skeletal landmarks from skull to tarsals.

medium
5 plays12/1/2025
Chemistry

Chemistry fundamentals from atoms to reactions, bonding, and lab basics.

medium
4 plays12/1/2025
The Heart

The heart word bank with chambers, valves, and circulatory pathways.

medium
4 plays8/16/2026
Genetics and Adaptations

Genetics and adaptations terms linking heredity, DNA, and survival traits.

medium
4 plays8/16/2026
Chemical Elements : Non Metals

Chemical elements nonmetals including reactive halogens and noble gases.

medium
4 plays12/1/2025
Coral Reefs

Coral reefs word bank with reef builders, symbiosis, and ocean conservation themes.

medium
4 plays12/1/2025
Biology Terms

Biology terms spanning cells, genetics, ecology, and organism structure.

medium
4 plays12/1/2025
All about the Big Bang

Big Bang vocabulary covering cosmic origins, expansion evidence, and early-universe physics.

medium
3 plays8/16/2026