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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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Study structure of the lens found in the human eye and determine whether it is concave or convex. Prepare a ray diagram, formulate hypothesis.
Anatomy
Seventh Grade
This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.
Anatomy
Fifth Grade
Science fair project which determines whether your current calorie intake will cause you to lose or gain weight over time.
Anatomy
Sixth Grade
Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.
Botany
Third Grade
Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.
Botany
Fifth Grade
Science fair project in which you will graft branches from different fruit tree onto a root stalk.
Botany
Eighth Grade
Determine whether the application of Febreeze will lower the bacterial count.
Life Science
High School
This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.
Life Science
Anatomy
This science fair project determines how age affects the speed that someone can change the focus of their eyes between near and far sightedness.
Anatomy
Elementary School
Determine if √Ędouble dipping√Ę chips really spreads more germs than dipping only once per chip.
Microbiology
Middle School
Determine which room has the greatest number of bacteria using exposed samples of agar agar in Petri dishes. Place in incubator observe record bacterial growth
Life Science
Sixth Grade
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
Botany
Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?
Life Science
Sixth Grade
In this science fair project you will make a model of a cell membrane using very simple material.
Life Science
Third Grade

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