Free Printable 4th Grade Science Activities

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Matter and Phase Changes Word Search

Matter and phase changes word search for Grades 4–6. Find 13 hidden words including evaporation, condensation, sublimation, and melting point.

Thomas Edison: Scientific Contributions and Biography

Printable 4th grade science worksheet about Thomas Edison. Students identify his scientific contributions, list key life events, and explain why studying him matters.

Matter and Phase Changes Word Search

Matter and phase changes word search for Grades 4–6. Find 13 hidden words including evaporation, condensation, freezing point, and sublimation in a large grid.

Lenses and Mirrors

Printable 4th grade science worksheet on lenses and mirrors with six open-response questions about convex, concave, converging, and diverging lenses.

Light Behavior

Printable 4th grade science worksheet on light behavior covering refraction, reflection, diffraction, iridescence, and polarized sunglasses.

Light and Color

Printable 4th grade science worksheet on light and color, covering visible light spectrum, primary and secondary colors, and how we perceive color.

Sound Waves Word Search

Sound waves physics word search for Grades 4–6. Find 8 hidden words including frequency, amplitude, hertz, and wavelength in this introductory acoustics puzzle.

Shark Names Word Search

Shark names word search for Grades 3–5. Find 16 hidden shark species including hammerhead, tiger shark, bull shark, and goblin shark in this 15×15 grid.

Waterveiligheid (Water Safety) Word Search

Afrikaans water safety word search for Grades 2–4. Find 21 hidden words including swembad, rivier, and lewensredder to teach water awareness and swimming vocabulary.

The Circulatory Story

Printable 4th grade science worksheet with 15 fill-in-the-blank questions on the circulatory system, heart structure, blood cells, and blood vessels.

Animals Word Search

Animals word search for Grades 2–4. Find 12 hidden animal names including lemur, gecko, chameleon, and moth in a 15×15 grid.

Animals of Madagascar Word Search

Animals of Madagascar word search for Grades 4–6. Find 12 endemic species, including lemurs, sifaka, tenrec, and kingfisher, in a 20×20 grid.

Magnets Crossword Puzzle

Magnets crossword puzzle for Grades 3–5. Vocabulary includes magnetic poles, electromagnets, attraction and repulsion, and metals like iron and steel.

Green Sea Turtle Word Search

Green sea turtle word search for Grades 4–6. Find 21 hidden words on marine biology, including carapace, endangered, and seagrass, in a circular grid.