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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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In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.
Botany
Sixth Grade
In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.
Botany
Third Grade
In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.
Zoology
Anatomy
Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.
Botany
Third Grade
For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.
Botany
Second Grade
How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.
Microbiology
Sixth Grade
Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.
Zoology
Third Grade
Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!
Botany
Fourth Grade
This high school science fair project investigates if small changes in your diet alter the pH of your saliva.
Life Science
High School
Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.
Life Science
Zoology
Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.
Botany
Fourth Grade

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