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Elementary School Science Fair Project Ideas

Education.com's elementary school science fair projects expose kids to a broad range of opportunities for scientific inquiry, arming them with the tools and knowledge they need to answer their questions about the world around them. Elementary school science experiments are a great way to demonstrate important concepts in physics and chemistry, while our elementary school science fair project ideas equip kids with carefully explained procedures that yield enlightening results.

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Science fair project which attempts to create a hybrid fish species by breeding two different species of fish together.
Zoology
Fifth 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 which determines if plants really do need water to grow, or whether they just need to be kept wet.
Botany
Third Grade
This science project has students collect wood samples and invent new uses for different types of wood based on its properties.
Elementary School
Botany
This science fair project determines how age affects the speed that someone can change the focus of their eyes between near and far sightedness.
Elementary School
Anatomy
In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.
Zoology
Second Grade
Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.
Life Science
Fifth Grade
Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.
Life Science
Fifth Grade
This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.
Botany
Fourth Grade
In this science fair project you will make a model of a cell membrane using very simple material.
Life Science
Third Grade
How does light affect plant growth? Do different colors of light work better than others? Find out in this classic science fair project idea.
Elementary School
Botany
Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.
Life Science
Fourth Grade
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
Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.
Life Science
Second Grade

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