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Elementary School Life Science - Science Fair Project Ideas

Great selection of elementary school science fair project ideas. These science fair projects can help you find elementary school level ideas for your science fair.

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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.
What is Plant Transpiration?
Elementary School
Life Science
Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.
Form and Function
Elementary School
Zoology
Why do we blink our eyes? Is blinking a reflex action or can we purposely inhibit our blinking? Do this free science fair project and explore these questions.
Blinkers: Is Blinking a Reflex Action?
Elementary School
Anatomy
Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.
Cats & Dogs
Elementary School
Life Science
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.
Digging in the Dark
Zoology
Fifth Grade
Find out whether putting something on top of a plant will inhibit its growth.
Will A Plant Still Grow Even When You Put Something On Top Of It?
Botany
Fourth Grade
Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.
Do Plants Need Water?
Botany
Third Grade
Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.
Garbage Plants
Botany
Fifth Grade
Science fair project which attempts to create a hybrid fish species by breeding two different species of fish together.
Making a Hybrid
Zoology
Fifth Grade
Science fair project which breeds a pair of mice, a pair of rats and a mouse and a rat in order to learn about the difference.
Species vs. Breed
Life Science
Fifth Grade
Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.
Testing Soil from an Abandoned Field for Future Secondary Succession
Elementary School
Life Science
Check out this cool science fair project idea to learn why it is important for kids to eat healthy foods like fresh fruits and vegetables.
Water Content in Fruits and Vegetables
Elementary School
Life Science
Where do flies come from? Can flies grow from a brown decaying bananas? Do this free science fair project and see if flies grow from bananas.
Instant Flies: Can Worms Grow From Decaying Bananas?
Elementary School
Zoology
Check out this science project idea to compare the shelf life of organic produce to non-organic produce and how preservatives extend the shelf life of goods.
Shelf Life of Organic Food
Elementary School
Life Science
The goal of this fun science experiment is to explore the limitations of sight and learn working of the human eyes.
Retinal Blind Spots
Elementary School
Anatomy

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