Free Printable Middle School Biology Activities

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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.

Urocordados (Tunicados) Crossword Puzzle

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

Microscope Word Search

Microscope vocabulary word search for Grades 6–8. Find 16 hidden words including magnification, objective, and oil immersion in a smiley-shaped grid.

Genética Crossword Puzzle

Spanish-language genetics crossword puzzle for Grades 7–9 students. Practice vocabulary like ADN, ARN, genes, and heredity with detailed scientific clues.

Cell Biology Crossword Puzzle – Portuguese

Portuguese cell biology crossword puzzle for Grades 7–9. Clues cover organelles, photosynthesis, mitochondria, and cell division processes.

Coral Reef Poster Planning Worksheet

Printable middle school science worksheet for Grades 6–8: students plan a poster on coral reefs, answering questions about coral, reef importance, and reef animals.

Butterflies Crossword Puzzle

Butterfly crossword puzzle for Grades 4–6. Covers butterfly anatomy, the life cycle, native plants, and species like Monarchs and Swallowtails.

Coral Reefs Poster Planning Sheet

Printable middle school planning worksheet for a coral reef poster project. Students answer prompts on coral and reef ecosystems, then sketch a poster design.

Biología Repaso Word Search

Spanish biology review word search for Grades 6–8. Find 20 hidden terms including célula, homeostasis, bacteria, and bioma across cells, ecology, and ecosystems.

Submarines and Deep Seas Word Search

Submarines and deep-sea word search for Grades 4–6. Find 15 hidden words including bioluminescence, anglerfish, and hydrothermal vent features in this ocean-science puzzle.

Biology Review Crossword (Spanish)

Spanish-language biology crossword with 15 clues covering cells, genetics, evolution, and ecosystems for middle and high school science students.

Prokaryotic Cells Crossword Puzzle

Prokaryotic cells crossword puzzle in Spanish for Grades 7–9. Practice vocabulary including bacteria, archaea, flagella, binary fission, and nucleoid.

Year 7 Biology Crossword Puzzle

Year 7 biology crossword puzzle covering ecosystems, food chains, classification, and photosynthesis. Vocabulary includes predator, decomposer, and habitat.

Year 7 Biology Word Search

Year 7 biology word search for Grades 6–8. Find 30 hidden words on ecosystems, food chains, and classification, including predator, photosynthesis, and decomposer.