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Life Science and Biology Science Fair Projects

Education.com's team of professional scientists, science teachers, and educational consultants has put together a fantastic collection of free life science, science fair projects, life science experiments, and biology science fair projects for kids. If your child has an upcoming science fair and is interested in microbiology, botany, or the human body, Education.com has you covered with cool and easy life science and biology projects that will have little biologists doing everything from building models of cells to determining if people can be genetically predisposed to hearing loss. Check out our free resources below!

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This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.
Life Science
Elementary School
Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.
Zoology
Elementary School
This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.
Life Science
Botany
Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.
Microbiology
Zoology
Free science fair project idea that examines the ergonomics of your environment. Redesign your living space to be better suited to your lifestyle.
Life Science
Middle School
Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.
Life Science
Elementary School
Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.
Zoology
Fifth Grade
Free science fair project idea examining how different types of water affect plant germination and growth.
Botany
Middle School

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