Life Science and Biology Science Fair Projects'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, 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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Check out this cool project idea to explore if ear size matters and whether it can help an animal escape a predator.
Middle School
Why do we blink our eyes? Is blinking a reflex action or can we purposely inhibit our blinking? Do this free science fair project to explore these questions.
Elementary School
The objective of this science fair project is to test how effective waterless hand sanitizers and generic ethanol kill bacteria.
Elementary School
This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.
Fifth Grade
This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.
Life Science
This science fair project determines whether the types of plants growing in a Pacific Northwest rain forest environment are influenced by the soil acidity.
Life Science

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