Browse Biology Worksheets
Free educational activities for every classroom
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Butterfly Life Cycle Seesaw Checklist
Printable checklist for 2nd grade students to self-assess a Seesaw butterfly life cycle activity, including vocabulary, sequencing, and voice recording.
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.
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.
Cell Division: Mitosis and Meiosis
Printable 9th grade biology worksheet on cell division covering mitosis, meiosis, chromosomes, and related terminology with fill-in-the-blank questions.
Characteristics of Living Organisms
Printable 9th grade biology matching worksheet on seven characteristics of living organisms: movement, respiration, sensitivity, growth, reproduction, excretion, and nutrition.
Circulatory System and Cardiovascular Health Review
Printable 10th grade biology worksheet reviewing the circulatory system, blood vessels, liver function, and cardiovascular disease.
Cells and Living Things
Printable science worksheet on cell biology basics: students read about cell structures including the nucleus, cytoplasm, and cell membrane, then answer comprehension and vocabulary questions.
The Sun and Living Things
Printable science worksheet for early elementary students: multiple-choice and fill-in-the-blank questions about why the sun is important for plants and animals.
Why Do We Need the Sun?
Fill-in-the-blank science worksheet for ESL and literacy learners: students read about the sun's role in plant growth and life on Earth, then complete sentences using a word bank.
Bacteria and Dental Health Vocabulary Matching
Printable vocabulary matching worksheet covering bacteria, decomposers, and dental health terms including cavity, plaque, antibiotic, and dentin.
Decomposers Review Quiz
Science review quiz on decomposers, bacteria, fungi, and yeast with multiple-choice and short-answer questions covering their useful roles.
Human Reproduction and Genetics Test
Printable 9th grade biology test on the reproductive system, covering puberty, fertilization, chromosomes, and genetic disorders like Down syndrome.
Brain and Nervous System Review
Printable 10th grade biology worksheet with two open-response questions on brain function, the corpus callosum, and split-brain experiments.
Genetic Engineering Game
Printable 9th grade biology worksheet accompanying an interactive genetic engineering game. Students answer questions about DNA, plasmids, restriction enzymes, and recombinant DNA.
Fresh Water and Salt Water
Printable science worksheet on fresh water and salt water with fill-in-the-blank sentences about fish habitats in lakes, rivers, and oceans.
Do Fish Drink Water? Science Activity
Printable science worksheet for Pre-K and kindergarten introducing the concept that all living things need water. Includes coloring and writing activities.
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