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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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Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.
Life Science
Middle School
In this fun science fair project, you will learn all about leaves, including their petiole (stalk), veins, blades, and more!
Botany
Middle School
In this free science fair project idea, we learn about how reaction speed and reflexes vary between individuals and based on different factors.
Microbiology
Middle School
This science fair project has kids conduct a blindfolded taste test to determine how smell influences our ability to taste foods.
Anatomy
Elementary School
Examine the influence of the phase of the moon on moisture capillarity in garden soil. Measure and record the depth at which water is first detected.
Life Science
Middle School
This science fair project idea determines how quickly germs and bacteria spread.
Microbiology
Elementary School
Demonstrate if  cooking destroys all bacteria that is present in raw meats such as salmonella.
Microbiology
High School
Science fair project that tests whether cats have a preference for organic food.
Zoology
Middle School
The science project fair idea explores the interaction between your nose, mouth, and brain when tasting a new food or drink.
Anatomy
Elementary School
Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.
Life Science
Second Grade
This science fair project idea's objective is to understand the architecture and function of neurons and their key components.
Anatomy
Middle School
Check out this middle school science project on the substances consumed and produced in plant tissues during the process of photosynthesis and respiration.
Life Science
Botany
This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.
Microbiology
Middle School

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