Biology Word Search Puzzles

Biology Word Searches

To view or print a Biology word search puzzle click on its title.

Title	Instructions / Description	Puzzle Words	Difficulty	Word Direction
Bacteria and Viruses		AIDS, ANTIBIOTICS, ASEXUAL, BACTERIA, BACTERIOPHAGE, BIOLOGY, CASINGHIMO, CELL, CELLWALL, CHEMOAUTROTROPH, COCCI, COLD, CONJUGATION, CONTAMINATION, COOKING, DECOMPOSE, DISEASE, DISINFECT, DNA, ECOLI, EXPERIMENT, FLAGELLA, FLU, FOODBORNEILLNESS, HEALTH, HIV, HOLIDAY, HUMAN, IMMUNITY, INFECTION, INFECTOUS, LYCTICCYCLE, MEDICATION, NUCLEUS, PATHOGEN, PHOTOAUTOTROPH, PILI, PROKARYOTE, PROTEIN, REFRIGERATION, RETROVIRUS, RNA, SANITATION, SCIENCE, SPIRILLA, VACCINES, VIRUS	Very Difficult	Forward, Backward, Diagonal
Biology		AIDS, BIOLOGY, CANCER, CELL, CYSTIC FIBROSIS, DEPENDENT VARIABLE, DNA, ECOLOGY, EVOLUTION, GENE THEORY, GENES, GENETIC ENGINEERING, HEREDITY, HIV, HOMEOSTASIS, HUMAN GENOME PROJECT, HYPOTHESIS, INDEPENDENT VARIABLE, INTERDEPENDENCE, LIFE FUNCTIONS, METABOLISM, MUTATION, NATURAL SELECTION, REPRODUCTION, SCIENTIFIC PROCESS	Adult	Forward, Backward, Diagonal
Biology		ADAPTATION, AXIS, BIOLOGY, CONSTANT, CONTROL, DATA, DEPENDENT, DEVELOPMENT, ENERGY, ENVIRONMENT, EVOLUTION, GRAPH, GROWTH, HOMEOSTASIS, HYPOTHESIS, INDEPENDENT, MEASURE, ORGANISM, ORGANIZATION, REPRODUCTION, RESPONSE, SPECIES, STIMULUS, TITLE, UNITS	Hard	Forward, Backward, Diagonal
Biology	Find the words listed in the word search. Forward, Backward, Diagonal	ADAPTATIONS, BIOLOGY, CHEMICALS, COLLECTING, COMBUSTIBLE, CONTROL, DATA, DIVERSITY, ENERGY, ETHICS, EVOLUTION, EXPERIMENT, FLAMMABLE, FUMES, HOMEOSTASIS, HYPOTHESIS, LAB, OBSERVATION, ORGANISM, POISONOUS, QUANTITATIVE, REFLECTS, REPRODUCTION, RESPONSE, SAFETY, SOCIETY, SPECIES, STIMULUS, TECHNOLOGY, THEORY	Hard	Forward, Backward, Diagonal
Biology		ATERY, ATRIUM, AXON, BRONCHUS, CALVIN CYCLE, CAPILLARY, CELL MEMBRANE, CEREBRUM, DENDRITES, DIAPHRAGM, DNA, GENE, KREBS CYCLE, LIPID, LIPID BILAYER, MOLECULE, NEURON, NEUROTRANSMITTER, ORGANELLE, PLASMA, PROTEIN, SPINAL CORD, SYNAPSE, VEIN, VENTRICLE	Teenage	Forward, Backward, Diagonal
Biology		CARBON DIOXIDE, CELL MEMBRANE, CELL WALL, CHOROPLASTS, CONCENTRATION, DIAPHRAGM, EXCHANGE, HIGH ENERGY, KREBS CYCLE, LEAF, LIGHT, LOWER, MESOPHYLL, MOLECULES, OSMOSIS, OXYGEN, PALISADE, PHOTOSYNTHESIS, PIGMENT, PLANT CELLS, PLASMOLYSED, PRESSURE, STOMATA, TRANSPIRATION, TURGID, UPPER, VEINS, WATER, WEAKER SOLUTION, WILT	Teenage	Forward, Backward, Diagonal
Biology		ADAPT, BEAKERS, CELL, DATA, DEPENDENT, DEVELOPMENT, GOGGLES, GRAPH, GROWTH, HOMEOSTASIS, HYPOTHESIS, INDEPENDENT, LIFE, MEASUREMENT, REPRODUCTION, RESPONSE, STIMULUS, TABLE, TEST TUBES, VARIABLE	Teenage	Forward, Backward, Diagonal
Biology		ASEXUAL, CLONE, CONTINUOUS, DISCONTINUOUS, DISTRIBUTION, KEY, LIGHT, MOISTURE, ORGANISM, QUADRAT, SEXUAL, SPECIES, TRANSECT, VARIATION	Teenage	Forward, Backward, Diagonal
BIOLOGY	FIND THE WORDS IN YOUR LIST THEY CAN BE IN ANY DIRECTION	AMINO ACIDS, ATOMS, BIOLOGY, BOND, CARBOHYDRATE, CARBON, CELL THEORY, CELLS, CENTRIFUGE, COMPOUND, COMPOUNDS, CONDENSATION, COVALENT, DEHYDRATION, DEPENDENT, ENERGY, EXPERIMENT, GLUCOSE, HYDROLYSIS, HYPOTHESIS, INDEPENDENT, LIPIDS, METABOLISM, MICROSCOPE, MOLECULES, MONOMER, MULTICELLULAR, NITROGEN, OBSERVATION, ORGAN, ORGAN SYSTEM, ORGANIC, ORGANISM, OXYGEN, PEPTIDE, PHOSPHORUS, POLYMER, PROTEIN, REACTION, SCIENCE, SCIENTIFIC METHOD, STARCH, SULFUR, SYSTEM, TECHNOLOGY, THEORY, TISSUE, UNICELLULAR, VARIABLE, WET MOUNT SLIDE	Very Difficult	Forward, Backward, Diagonal
Biology		ACID, AMINO ACID, ATOMS, BASE, BUFFER, CARBOHYDRATE, CARBON, CATALYST, CELLULOSE, CHITIN, CHOLESTEROL, COMPOUNDS, COVALENT BONDS, DEOXYRIBONUCLEIC, DISACCHARIDE, ELECTRONS, ENZYMES, FRUCTOSE, GALACTOSE, GLUCOSE, GLYCOGEN, HORMONES, HYDROGEN, HYDROPHILLIC, HYDROPHOBIC, IONIC BONDS, LACTOSE, LIPID, MACROMOLECULE, MALTOSE, MONOMER, MONOSACCHARIDE, NUCLEIC ACID, NUCLEOTIDE, OXYGEN, PHOSPHOLIPID, POLARITY, POLYMER, POLYSACCHARIDE, PROTEIN, SATURATED FAT, SOLUTE, SOLUTION, SOLVENT, STARCH, SUCROSE, TESTOSTERONE, UNSATURATED FAT, WAX	Very Difficult	Forward, Backward, Diagonal
Biology		ACTIVE SITE, ALLELES, AMINO ACID, ATOM, ATP, BIOLOGY, CANCER, CARBOHYDRATE, CELL, CONTROL GROUP, CYSTIS FIBROSIS, DEPENDENT VARIABLE, DNA, ECOLOGY, ENERGY, EVOLUTION, EXPERIMENT, GENE, GENE THERAPHY, GENE THERAPY, GENOME, HEREDITY, HIV, HOMEOSTASIS, HYPOTHESIS, INDEPENDENT VARIABLE, ION, LIPID, METABOLISM, MOLECULE, MONOSACHARIDE, MUTATION, NATURAL SELECTION, NITROGEN FIXATION, NUCLEIC ACID, NUCLEOTIDE, OBSERVATION, PH, PREDICTION, PROKARYOTIC CELL, RA, REPRODUCTION, SPECIES, STIMULUS, SUBSTRATE, THERORY	Very Difficult	Forward, Backward, Diagonal
Cell Growth and Division		ANAPHASE, APOPTOSIS, ASEXUAL REPRODUCTION, BENIGN, BINARY FISSION, BLASTOCYST, CANCER, CELL CYCLE, CELL DIVISION, CENTROMERE, CHROMATID, CHROMATIN, CHROMOSOME, CYCLIN, CYTOKINESIS, DIFFERENTIATION, EMBRYO, GROWTH FACTOR, INTERPHASE, MALIGNANT, METAPHASE, MULTIPOTENT, PLURIPOTENT, PROPHASE, SEXUAL REPRODUCTION, STEM CELL, TELOPHASE, TOTIPOTENT, TUMOR, ZYGOTE	Hard	Forward, Backward, Diagonal
Cell Parts		ABSOLUTE VALUE, ADDITION, ALGEBRAIC, BINOMIAL, COEFFICIENT, COMPOSITE NUMBER, CONSTANT, DISTRIBUTIVE PROPERTY, EQUALITY, EQUATION, EVALUATE, EXPERIMENTAL, EXPONENT, EXPRESSION, FACTORS, FRACTIONS, INTEGERS, INVERSE OPERATIONS, IRRATIONAL, LIKE TERMS, NEGATIVE, PROBABILITY, RATIO, RATIONAL, RECIPROCAL, SIMPLIFY, SOLUTION, TERM, THEORETICAL	Teenage	Forward, Backward, Diagonal
Cell Structure		ANIMAL CELL, CELL MEMBRANE, CELL WALL, CENTRILOS, CHLOROPLAST, CHROMOSOME, CYTOPLASM, ENDOPLASMIC RETICULUM, LYSOSOME, MITOCHONDRION, NUCLAER MEMBRANE, NUCLEOLUS, NUCLEUS, RIBOSOME, VACUOLE	Adult	Forward, Backward, Diagonal
Cell Transport		ACTIVE, CARRIER PROTEIN, ENDOCYTOSIS, EQUALIBRIUM, EXOCYTOSIS, FACILITATED, GRADIENT, HIGH, HYPERTONIC, HYPOTONIC, ISOTONIC, LIPID BILAYER, LOW, OSMOSIS, PASSIVE, SEMI PERMEABLE	Teenage	Forward, Backward, Diagonal
Cells		ACTIVE TRANSPORT, BACTERIA, CELL, CELL MEMBRANE, CELL WALL, CHLOROPHYLL, CHLOROPLAST, CHROMOSOME, CONNECTIVE TISSUE, CYTOPLASM, DIFFUSION, ENDOPLASMIC RETICULUM, EPITHELIAL TISSUE, GOLGI APPARATUS, HOOKE, LYSOSOME, MITOCHONDRIA, MUSCLE TISSUE, NERVOUS, NUCLEUS, ORGAN, ORGAN SYSTEM, OSMOSIS, PASSIVE TRANSPORT, PHOTOSYNTHESIS, RIBOSOME, SCHLEIDEN, SCHWANN, TISSUE, VACUOLE	Hard	Forward, Backward, Diagonal
CELLS		ANIMAL, BACTERIA, BASE, CHLOROPLAST, CLIPS, CLONING, CYTOPLASM, DNA, IMAGE, LENS, MAGNIFICATION, MICROBE, MICROSCOPE, MITOCHONDRION, NUCLEUS, ORGANISM, PHLOEM, PHOTOSYNTHESIS, PLANT, RESPIRATION, SPECIMEN, STAGE, VACUOLE, VIRUS, XYLEM	Teenage	Forward, Backward, Diagonal
Cells		ANAPHASE, ATOM, CELLMEMBRANE, CELLWALL, CENTRIOLES, CENTROMERE, CHLOROPHYLL, CHLOROPLASTS, CHROMATIN, CHROMOSOMES, CILIA, CYTOPLASM, CYTOSKELETON, ELECTRON, ENDOPLASMICRET, EUKARYOTIC, FLAGELLA, GOLGI, HOMEOSTASIS, INTERPHASE, LIPIDBILAYER, LYSOSOMES, MEMBRANE, METAPHASE, MITOCHONDRIA, MITOSISS, MOLECULE, NEUTRON, NUCLEUS, ORGANELLES, ORGANISM, PLASTIDS, PROKARYOTIC, PROPHASES, PROTEINS, PROTON, RIBOSOMES, SPINDLEFIBERS, TELOPHASE, VACUOLE	Very Difficult	Forward, Backward, Diagonal
Cells Organisms and Viruses		ARCHAEA, BACTERIA, BINARY FUSION, DECOMPOSERS, KINGDOMS, PARASITES, PRODUCERS, PROTISTS, REPLICATED, VIRUSES	Teenage	Forward, Backward, Diagonal
Classification of Living Organisms	Find the word in the puzzle.	AUTOTROPH, BINOMIAL NOMENCLATURE, CELL, CLASSIFICATION, CONTROLLED EXPERIMENT, DEVELOPMENT, EUKARYOTES, EVOLUTION, FOSSIL, GENUS, HETEROTROPH, HOMEOSTASIS, MULTICELLULAR, NUCLEUS, ORGANISM, PROKARYOTES, REPRODUCE, RESPONSE, SPECIES, SPONTANEOUS GENERATION, STIMULUS, TAXONOMIC KEY, TAXONOMY, UNICELLULAR, VARIABLE	Big	Forward, Backward, Diagonal
Classification of Living Things		ALGAE, ANIMAL, BACTERIA, CILIA, CLASSIFY, DECOMPOSE, FLAGELLA, FUNGUS, KINGDOM, MONERAN, ORGANISM, PARASITE, PLANT, PROTIST, PROTOZOAN, PSEUDOPOD	Moderately Challenging	Forward and Backward
Classifying Living Things		AMPHIBIAN, ARTHROPODS, CLASSIFICATION, FUNGI, GENUS, INVERTEBRATE, KINGDOM, MAMMAL, MOLLUSKS, MONERANS, NONVASCULARPLANTS, PROTISTS, REPTILE, SPECIES, VASCULARPLANTS, VERTEBRATE	Adult	Forward, Backward, Diagonal
DNA		ACID, ADENINE, BASES, CELL, CYTOSINE, DEOXYRIBONUCLEIC, DNA, FEATURES, GUANINE, INHERIT, LIFE, MOLECULES, NUCLEUS, ORGANISMS, RECIPE, STRUCTURE, THYMINE, VARIATIONS	Older Children	Forward, Backward, Diagonal
Enzymes		ACTIVE SITE, AMINO ACIDS, AMYLASE, CATALYST, DENATURED, ENZYME, HYDROGEN PEROXIDE, LIPASE, LIPIDS, MALTOSE, OXYGEN, PEPSIN, PHOSPHORYLASE, PROTEIN, SPECIFIC, STARCH, SUBSTRATE, WATER	Hard	Forward, Backward, Diagonal
Enzymes		ACTIVATION, ACTIVE, COENZYME, COMPLEX, DENATURED, INHIBITOR, KEY, LOCK, PRODUCT, PROTEIN, SITE, SUBSTRATE, TEMPERATURE, UNCHANGED	Teenage	Forward, Backward, Diagonal
Essential Biology		ACID, ACTIVETRANSPORT, ALLELE, ATOM, ATP, BASE, CANCER, CARBOHYDRATE, CELL, CELLTHEORY, CELLULARRESPIRATION, CODOMINANTALLELE, DIFFUSION, DNA, ELEMENT, ENZYME, EUKARYOTICCELL, FETUS, GENETHERAPY, GENETICENGINEERING, GENETICS, HEREDITY, HOMEOSTASIS, HUMANGENOME, HYPETONICSOLUTION, HYPOTHESIS, HYPOTONICSOLUTION, INCOMPLETEDOMINANCE, ISOTONICSOLUTION, LIPID, MEIOSIS, METABOLISM, MITOSIS, MUTATION, NUCLEICACID, ORGANISM, ORGANSYSTEM, OSMOSIS, PASSIVETRANSPORT, PHOTOSYNTHESIS, PLASMAMEMBRANE, PROKARYOTICCELL, PROTEIN, PROTEINSYNTHESIS, RNA, SEXLINKEDTRAIT, SEXUALREPRODUCTION, THEORY, TISSUE, VECTOR	Very Difficult	Forward, Backward, Diagonal
Evolution	Find Words Relating to Evolution	A C GREEN, ANDREW BYNUM, BILL RUSSELL, BLAKE GRIFFIN, BOB MCADOO, BYRON SCOTT, CHARLES BARKLEY, CHICK HEARN, CLYDE DREXLER, DENNIS RODMAN, DEREK FISHER, DOMONIQUE WILKINS, ELGIN BAYLOR, GAIL GOODRICH, GEORGE MIKAN, JAMES WORTHY, JERRY BUSS, JERRY WEST, JULIUS ERVING, KAREEM ABDUL JABBAR, KENNY WALKER, KEVIN DURANT, KEVIN MCHALE, KOBE BRYANT, KURT RAMBIS, LARRY BIRD, MAGIC JOHNSON, MICHAEL COOPER, MITCH KUPCHAK, PAT RILEY, PAU GASOL, PHIL JACKSON, RICK FOX, ROBERT HORRY, SCOTTIE PIPPEN, SERGE IBAKA, SHAQUILLE O NEAL, SPUD WEBB, WAYMAN TISDALE, WILT CHAMBERLIAN	Big	Forward, Backward, Diagonal
fungi kingdom	FORWARD , BACKWARD, DIAGONAL! THANKS !	BACTERIA, EUKARYOTIC, FUNGUS, KINGDOM, MOLDS, MUSHROOM, PLANTS, YEASTS	Older Children	Forward, Backward, Diagonal
Homophones		ASCENT, ASSENT, AURAL, CORE, CORPS, CYMBOL, DESCENT, DESSENT, FAZE, INTENSE, INTENTS, MARSHAL, MARTIAL, ORAL, PATIENCE, PATIENTS, PHASE, RAISED, RAZED, SYMBOL	Adult	Forward, Backward, Diagonal
Interaction of Living Things	Find the listed words and learn their spelling.	ABIOTIC, ACIDITY, BIOMES, BIOSPHERE, BIOTIC, CARNIVORES, COMMENSALISM, COMMUNITY, COMPETITION, CONSUMERS, DECOMPOSERS, DISSOLVED OXYGEN, ECOLOGY, ECOSYSTEM, ENERGY PYRAMID, ENVIRONMENT, EUTROPHICATION, FOOD CHAIN, FOOD WEB, HERBIVORES, LITTORAL ZONE, MARSH, MUTUALISM, NUTRIENTS, OMNIVORES, ORGANISM, PARASITISM, PH, PLANKTON, POND, POPULATION, PREDATOR, PREY, PRODUCERS, SEDIMENT, STREAM, SWAMP, SYMBIOSIS, TEMPERATURE, WETLAND	Very Difficult	Forward, Backward, Diagonal
Living Environment Vocabulary	Determine what the word is based on the definition, then find the word in the word search!	ABIOTICFACTOR, BIOSPHERE, BIOTICFACTOR, CARRYINGCAPACITY, COMMUNITY, DENSITY, ECOLOGY, ECOSYSTEM, HABITAT, LIMITINGFACTOR, NICHE, POPULATION, SYMBIOSIS	Adult	Forward, Backward, Diagonal
Living Things		ANIMAL, BACKBONE, BACTERIA, BODY, CARRY, CELL, CENTER, CHEMICAL, CHLOROPHYLL, COPY, ENERGY, ENVIRONMENT, FOOD, FUNGUS, GREEN, GROUP, HUNT, INVERTEBRATE, JOB, KINGDOM, LIFE, LIVING, MEMBER, MOVE, NONVASCULAR, NUCLEUS, ORGAN, PASTE, PLANT, SIMILAR, SMALL, SUN, SYSTEM, THING, TISSUE, UNIT, VASCULAR, VERTEBRATE, WATER, WORK	Adult	Forward, Backward, Diagonal
Living Things		AIR, ASEXUAL, CARBOHYDRATES, CELLS, CHANGE, CHARACTERISTICS, CONSUMER, DECOMPOSER, FOOD, HOMEOSTASIS, METABOLISM, NECESSITIES, PRODUCER, PROTEIN, REPRODUCTION, RESPONSE, SEXUAL, STIMULUS, TERRITORY, WATER	Older Children	Forward, Backward, Diagonal
Marine Biology		ANIMAL, BIOLOGY, BLEACHED, CORAL, LIVE, MARINE, ORGANISM, REEF, SALTWATER, SEA, TOXINS, TROPICAL, WATERWETLANDS, WETLANDS, WORLD	Adult	Forward, Backward, Diagonal
Membranes and Enzymes		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	Adult	Forward, Backward, Diagonal
Microscope		CELL, CELL MEMBRANE, CELL WALL, CYTOPLASM, MICROSCOPE, NUCLEUS, ORGANS, SLIDE, STAIN, TISSUE, VACUOLE	Adult	Forward, Backward, Diagonal
Microworld		BLOOD, CELL WALL, CELLS, CHLOROPLASTS, CHROMOSOMES, CLASSIFICATION, CYTOPLASM, DIFFUSION, GERMS, KINGDOM, MEMBRANE, MICROSCOPE, MITOSIS, NUCLEUS, ORGAN, PATHOGEN, SPECIES, SYSTEM, TAXONOMY, TISSUE	Teenage	Forward, Backward, Diagonal
NATURE	THINGS THAT HAVE TO DO WITH NATURE	ANIMALS, BACTERIA, CLOUDS, ENVIORMENT, FLOWERS, FOSSIL, FUNGI, GRASS, HIBERNATE, LEAVES, OXYGEN, PEOPLE, ROCKS, VOLCANO, WATER	Teenage	Forward, Backward, Diagonal
Organ Systems	Find the terms for different organ systems and their parts!	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	Big	Forward, Backward, Diagonal
Organelles		CENTRIOLE, CHLOROPLAST, CYTOPLASM, CYTOSKELETON, ENDOPLASMIC RETICULUM, EUKARYOTE, GOLGI APPARATUS, HYDROPHILIC, HYDROPHOBIC, LIPID BILAYER, LYSOSOME, MITOCHONDRION, NUCLEOLUS, NUCLEUS, PROKARYOTE, RIBOSOME, VACUOLE	Hard	Forward, Backward, Diagonal
Science		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	Hard	Forward, Backward, Diagonal
The Endocrine System		ADRENAL, DUCT, DUCTLESS, ENDOCRINE SYSTEM, EXOCRINE, GLANDS, HORMONES, OVARIES, PANCREAS, PARATHYROID, PINEAL, PITUITARY, TESTES, THYROID	Hard	Forward, Backward, Diagonal
What is Life		AUTOTROPH, CELL, DEVELOPMENT, GROWTH, HETEROTROPH, HOMEOSTASIS, LIFE, MULTICELLULAR, ORGANISMS, REPRODUCE, RESPONSE, SPONTANEOUS GENERATION, STIMULUS, UNICELLULAR	Big	Forward, Backward, Diagonal
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