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Biology Word Searches
All items below are categorized by their difficulty level and target audience so you can pick the perfect level of fun and education. We put them in alphabetical order and show the words hidden in the grid so you can quickly page through the list and find one that meets your needs. The words can be in several directions or only forward and down if you need something for the youngsters. To view or print a Biology word search puzzle click on its title. Once you've clicked a title you see a link to separate answer grid page with hints for the teachers that show where the words start. Our most important instruction is that we want you to be sure to have fun while you learn!!!
| Title |
Instructions / Description |
Puzzle Words |
Difficulty |
Word Direction |
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Macromolecules
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CARBOHYDRATES, CELLULOSE, FATTY ACID, FRUCTOSE, GALACTOSE, GLUCOSE, GLYCEROL, GLYCOGEN, LACTOSE, LIPID, MACROMOLECULES, MONOSACCHARIDE, NUCLEIC ACID, POLYMER, POLYSACCHARIDE, PROTEIN, SATURATED, STARCH, STEROID, SUCROSE, UNSATURATED
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Hard
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Forward, Backward, Diagonal
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Marine Biology
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ANIMAL, BIOLOGY, BLEACHED, CORAL, LIVE, MARINE, ORGANISM, REEF, SALTWATER, SEA, TOXINS, TROPICAL, WATERWETLANDS, WETLANDS, WORLD
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Adult
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Forward, Backward, Diagonal
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Marine Biology
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BIOLOGY, BOXJELLYFISH, CARTILAGE, COASTAL, CROCODILE, DEEPSEA, DIET, HABITATS, LIFESPAN, MEDUSOZOA, OCEANOGRAPHY, OCTOPUS, REPRODUCTION, SHARK, SKELETON, STONEFISH, TERRITORIAL
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Big
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Forward, Backward, Diagonal
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Membranes and Enzymes
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ACTIVATION ENERGY, ACTIVE SITE, ACTIVE TRANSPORT, BILAYER, CARRIER PROTEIN, CATALYST, DIFFUSION, ENZYME, GRADIENT, HOMEOSTASIS, HYDROPHILIC, HYDROPHOBIC, HYPERTONIC, HYPOTONIC, I LOVE GRAFF, ISOTONIC, NONPOLAR, OSMOSIS, PHOSPHOLIPID, POLAR, SELECTIVELY PERMEABLE, SUBSTRATE, TRANSPORT PROTEIN
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Adult
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Forward, Backward, Diagonal
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Microbiology
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Find the words associated with the Microbiology
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AGAR, BACILLI, BACTERIA, CEPHALOSPORINS, COCCI, COLONY, CULTURES, CULTURETTE, DIPLOCOCCI, DYES, FACULTATIVE ANAEROBES, FECES, FUNGI, GRAM NEGATIVE, GRAM POSITIVE, HEMOLYSIS, INFECTION, INOCULATIONG, METHICILLIN RESISTANT, MOTILITY, OCCULT BLOOD, ORGANELLES, OVA, OXYGEN, PARASITES, PETRI DISH, PROTOZOA, SPECIMENS, SPIRILLA, SPUTUM, STAPHYLOCOCCI, STOOL SAMPLE, STREPTOCOCCI, SWABS, THROAT SWAB, URINE TEST, VIABLE, VIBRIOS, VIRUSES, WOUND SPECIMENS
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Very Difficult
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Forward, Backward, Diagonal
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Microbiology
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ANATOMY, ARCHAEBACTERIA, ASEPTIC TECHNIQUE, BINARY FISSION, BIOREMEDIATE, BIOTECHNOLOGY, COLONY, DORMANT, EUBACTERIA, EUKARYOTIC CELL, FUNGI, GRAM STAIN, HARMFUL, HELPFUL, IMMUNE SYSTEM, INCUBATE, INFECTIOUS, LYTIC CYCLE, MICROBE, MICROBIOLOGIST, MICROBIOME, MICROORGANISM, MORPHOLOGY, MULTICELLULAR, NUTRIENT AGAR, PATHOGENIC, PETRI DISH, PROKARYOTIC CELL, PROTISTS, REPRODUCTION, SPORES, STERILIZE, SYMBIOTIC, UNICELLULAR, VIRUS
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Hard
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Forward, Backward, Diagonal
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Microscope
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CELL, CELL MEMBRANE, CELL WALL, CYTOPLASM, MICROSCOPE, NUCLEUS, ORGANS, SLIDE, STAIN, TISSUE, VACUOLE
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Adult
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Forward, Backward, Diagonal
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Microworld
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BLOOD, CELL WALL, CELLS, CHLOROPLASTS, CHROMOSOMES, CLASSIFICATION, CYTOPLASM, DIFFUSION, GERMS, KINGDOM, MEMBRANE, MICROSCOPE, MITOSIS, NUCLEUS, ORGAN, PATHOGEN, SPECIES, SYSTEM, TAXONOMY, TISSUE
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Teenage
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Forward, Backward, Diagonal
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NATURE
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THINGS THAT HAVE TO DO WITH NATURE
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ANIMALS, BACTERIA, CLOUDS, ENVIORMENT, FLOWERS, FOSSIL, FUNGI, GRASS, HIBERNATE, LEAVES, OXYGEN, PEOPLE, ROCKS, VOLCANO, WATER
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Teenage
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Forward, Backward, Diagonal
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Nemo Marine Biology
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ALGAE, ANEMONE, ATOLL, BARRIER REEF, BUDDING, CAMOUFLAGE, CLOWNFISH, COLONY, FOOD CHAIN, HABITAT, LOGGERHEAD, PACIFIC BLUE TANG, PREDATOR, PREY, REEF, SCAVENGER, SYMBIOSIS, TURTLE, ZOOPLANKTON
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Hard
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Forward, Backward, Diagonal
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Organ Systems
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Find the terms for different organ systems and their parts!
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ALVEOLI, ARTERIES, ASSOCIATIVE, BLADDER, BONES, BRAIN, BRONCHI, CELL, CENTRAL NERVOUS SYSTEM, CIRCULATORY SYSTEM, CONTRACT, DIGESTIVE SYSTEM, ESOPHAGUS, EXCRETORY SYSTEM, HEART, KIDNEY, LARGE INTESTINE, LIGAMENT, LIVER, LUNGS, MOTOR, MOUTH, MUSCLE, MUSCULAR SYSTEM, NEPHRON, NERVES, NERVOUS SYSTEM, ORGAN, ORGAN SYSTEM, PANCREAS, PERIPHERAL NERVOUS SYSTEM, RELAX, RESPIRATORY SYSTEM, SENSORY, SENSORY ORGANS, SKELETAL SYSTEM, SMALL INTESTINE, SPINAL CHORD, STOMACH, TENDON, TISSUE, UREA, URETHRA, VEINS, VILLI
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Big
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Forward, Backward, Diagonal
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Organelles
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CENTRIOLE, CHLOROPLAST, CYTOPLASM, CYTOSKELETON, ENDOPLASMIC RETICULUM, EUKARYOTE, GOLGI APPARATUS, HYDROPHILIC, HYDROPHOBIC, LIPID BILAYER, LYSOSOME, MITOCHONDRION, NUCLEOLUS, NUCLEUS, PROKARYOTE, RIBOSOME, VACUOLE
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Hard
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Forward, Backward, Diagonal
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Organization of Life
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ABIOTICFACTORS, ADAPTATION, AMPHIBIANS, ANGIOSPERMS, ARCHAE, ARTIFICIALSELECTION, BACTERIA, BIOSPEHERE, BIOTICFACTORS, CARBONDIOXIDE, CHARLESDARWIN, COEVOLUTION, COMMUNITY, CULTIVATED, DIATOMS, DINOFLAGELLATES, ECOLI, ECOSYSTEM, EVOLUTOIN, FINCHES, FLOWERS, FOSSILS, FUNGUS, GENERATION, GENETICS, GYMNOSPERM, HABITAT, HERDITARY, INVERTEBRATES, MAMMALS, METHNOGENS, NATURALSELECTION, NONVASCULARTISSUE, ORGANISM, PESTICIDE, PLASMDIUM, POLLEN, POPULATION, PROTEOBACTERIA, PROTISTS, REPRODUCE, RESISTANCE, SEEDS, SPECIES, SURVIVALOFTHEFITTEST, VASCULARTISSUE, VERTEBRATES, WATERPROFFEGG, YEASTS
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Very Difficult
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Forward, Backward, Diagonal
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Phylogeny & Taxonomy
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ARCHAEA, BACTERIA, BINOMIAL NOMENCLATURE, CLADE, CLADISTICS, CLADOGRAM, DERIVED CHARACTER, DICHOTOMOUS KEY, EUKARYA, GENUS, LINNEAUS, NODE, PHYLOGENY, PRION, SPECIES, TAXON, TAXONOMY, VIROID, VIRUSS
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Hard
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Forward, Backward, Diagonal
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Plants
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ACORN, ALFALFA, ANTHER, AXIL, BARK, BERRY, BLOSSOM, BOTANY, BRANCH, BULB, CACTUS, CANOPY, CLOVER, EMBRYO, FERN, FLOWER, FOLIAGE, GINKGO, GRASS, HERB, HORTICULTURE, IVY, JUNIPER, KELP, LEAFLET, MOSS, NECTAR, NEEDLE, OVARY, PALM, PERENNIAL, PETAL, PHLOEM, POLLEN, SAPLING, SHRUB, SPROUT, STEM, THORN, TREE, TRUNK, VEGETATION, VINE, WOOD, YUCCA
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Jumbo
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Forward, Backward, Diagonal
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Protein Synthesis
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BACTERIOPHAGE, BASE, CHROMATIN, CODON, DIFFERENTIATION, DNA, EXON, FRAMESHIFT, GENE, HISTONE, HOX, INTRON, MESSENGER, MUTATION, NUCLEOTIDE, OPERATOR, OPERON, PAIRING, POINT, POLYMERASE, POLYPLOIDY, PROMOTER, REPLICATION, RIBOSOMAL, RNA, TRANSCRIPTION, TRANSFER, TRANSFORMATION, TRANSLATION
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Hard
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Forward, Backward, Diagonal
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Science
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BRIGHTNESS, CELCIUS, COLOR, CONDENSATION, ELECTRICAL, ENERGY, EVAPORATION, FAHRENHEIT, GAS, GRADUATED CYLINDER, HEAT, HYPOTHESIS, INVESTIGATE, KINETIC, LIGHT, LIQUID, MASS, MATTER, MECHANICAL, MICROSCOPE, OBSERVE, PAN BALANCE, PHYSICAL PROPERTIES, POTENTIAL, QUESTIONS, RADIANT, SCIENCE, SENSES, SOLID, SOUND, SPACE, STARS, STATES, SUN, TELESCOPE, TEMPERATURE, THERMOMETER, VARIABLE, VOLUME
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Hard
|
Forward, Backward, Diagonal
|
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Sizes and Shapes of Bacteria
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|
BACILLUS, COCCOBACILLUS, COCCUS, FILAMENTOUS, PLEOMORPHIC, RHIZOID, SPIRILLIUM, STAPHYLOCCOCUS, STREPTOBACILLUS, VIBRIOS
|
Big
|
Forward, Backward, Diagonal
|
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The Endocrine System
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ADRENAL, DUCT, DUCTLESS, ENDOCRINE SYSTEM, EXOCRINE, GLANDS, HORMONES, OVARIES, PANCREAS, PARATHYROID, PINEAL, PITUITARY, TESTES, THYROID
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Hard
|
Forward, Backward, Diagonal
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What is Life
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AUTOTROPH, CELL, DEVELOPMENT, GROWTH, HETEROTROPH, HOMEOSTASIS, LIFE, MULTICELLULAR, ORGANISMS, REPRODUCE, RESPONSE, SPONTANEOUS GENERATION, STIMULUS, UNICELLULAR
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Big
|
Forward, Backward, Diagonal
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