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Free Printable 6th Grade Biology Crossword Puzzles

Browse crossword puzzles from the BrightSprout community — free to view and print.

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Cell Structure Crossword Puzzle

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

Butterflies Crossword Puzzle

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

Biological Adaptation Crossword Puzzle

Biological adaptation crossword in Spanish for Grades 6–8. Vocabulary includes evolution, natural selection, heredity, and types of adaptation.

MRS GREN Crossword Puzzle

MRS GREN crossword puzzle for middle-school biology students. Master the seven characteristics of life: movement, respiration, sensitivity, growth, reproduction, excretion, and nutrition.

Cell Structures Crossword Puzzle

Cell structures crossword puzzle for middle school biology students. Practice vocabulary like nucleus, mitochondria, chloroplast, and cell membrane.

Levels of Biological Organization Crossword Puzzle

Spanish biology crossword puzzle on levels of organization for Grades 6–8. Vocabulary covers atomic, cellular, and organism levels of biological structure.

Ecosystems and Biomes Crossword Puzzle

Spanish-language science crossword on ecosystems and biomes for Grades 6–8. Terms include Patagonian steppe, populations, and biotic components.

Cellular Biology and Photosynthesis Crossword Puzzle

Spanish cellular biology crossword puzzle for middle school students. Covers photosynthesis, respiration, metabolism, mitochondria, and ATP.

Biology: Organization and Ecology Crossword Puzzle

Biology crossword puzzle in Spanish covering levels of organization, from tissues and organs to ecosystems and the biosphere.

Biology and Scientific Method Crossword Puzzle

Biology crossword puzzle in Spanish for Grades 6–8. Practice vocabulary including CRISPR, microorganisms, and the scientific method.

Prehistoric Giants Crossword Puzzle

Prehistoric Giants crossword puzzle for Grades 5–7. Clues cover evolution, paleontology, dinosaurs, mass extinctions, and prehistoric life vocabulary.

Botany Crossword Puzzle

Botany crossword puzzle in Portuguese for Grades 6–8. Clues cover photosynthesis, plant reproduction, and structures like flowers, seeds, and ferns.

Mendelian Genetics Vocabulary Crossword

Mendelian genetics vocabulary crossword for Grades 6–8. Review key terms like allele, dominant, recessive, genotype, and phenotype.

Cell Structures Crossword Puzzle

Cell structures crossword for Grades 6–8. Vocabulary includes mitochondria, chloroplast, nucleus, and endoplasmic reticulum for biology review.

Fundamentos de la Evolución Crossword Puzzle

Evolution fundamentals crossword puzzle in Spanish for Grades 6–8. Covers natural selection, adaptation, heredity, and biodiversity vocabulary.

Cell Biology Crossword Puzzle

Cell biology crossword puzzle for Grades 6–8. Review osmosis, active transport, photosynthesis, and specialized cell structures like xylem and phloem.

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