Free Printable Middle School 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.

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.

Sound Waves Crossword Puzzle

Sound waves physics crossword puzzle for Grades 6–8. Learn vocabulary like wavelength, frequency, pitch, and amplitude.

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.

Para Pensar: Biology Word Search

Spanish biology word search for Grades 6–8. Find 11 hidden words including bacteria, fotosíntesis, célula, and hongos in a compact 20×20 grid.

Cell Structure Crossword Puzzle

Cell structure crossword puzzle for Grades 6–8. Practice vocabulary like mitochondria, nucleus, chloroplast, and cell membrane.

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.

Urocordados (Tunicados) Crossword Puzzle

Spanish-language urocordados (tunicados) biology crossword for Grades 7–9. Study anatomy, filtration, larvae development, and notocorda in marine organisms.

Scientific Method and Reasoning Quiz

Printable science quiz for Grades 6–7 on scientific method concepts: bias, ethics, reasoning, and objective versus subjective thinking.

Organic Molecules Crossword Puzzle

Organic molecules crossword puzzle for Grades 7–9 science students. Vocabulary includes carbohydrates, enzymes, nucleotides, and types of fats.

Light and Optics Crossword Puzzle

Light and optics crossword puzzle for Grades 5–7. Covers reflection, refraction, dispersion, and tools like microscopes and telescopes.

Light and Optics Crossword Puzzle

Light and optics crossword puzzle for Grades 5–7. Vocabulary includes reflection, refraction, photosynthesis, and light-related devices like microscopes and telescopes.

Medical Terminology Word Search: Anatomy Basics

Medical terminology word search for Grades 6–8 covering basic anatomy. Find 15 hidden words including heart, lung, kidney, liver, and artery in a 30×30 grid.

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.

Intense Hydration Hair Mask Gel: Formulation Checklist

Printable chemistry worksheet for Grades 6–12: students select carrier oils, binders, and essential oils to formulate an intense hydration hair mask gel and analyze cost.