Elementary School Science Fair Project Ideas'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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Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.
Elementary School
Third Grade
In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.
Elementary School
Fourth Grade
This science project has students collect wood samples and invent new uses for different types of wood based on its properties.
Elementary School
Fourth Grade
This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.
Fourth Grade
Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.
Elementary School
Third Grade
Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.
Elementary School
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.
Fifth Grade
Middle School

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