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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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Looking for a project on fossils? Check out this fun science fair project idea to understand the process of coal formation and fossils part in that formation.
Elementary School
Earth & Space Science
Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?
Weather and Climate
Third Grade
This fun science project explores the climate change over the course of the history of Earth and helps construct a diorama representing a geologic time period.
Elementary School
Earth & Space Science
What causes thunder?  Do this free science fair project using an inflated balloon and a pin to learn about thunder and why thunder makes the loud boom sound.
Elementary School
Earth & Space Science
The goal of this evaporation experiment is to learn about how different external conditions affect drying time.
Weather and Climate
Second Grade
Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.
Earth & Space Science
Second Grade
How does hail form and what does it look like? In this free science fair project ideas, you'll learn how to create ice pellets that resemble hail.
Elementary School
Earth & Space Science
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
Earth & Space Science
Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.
Earth & Space Science
Fifth Grade
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.
Earth & Space Science
Fifth Grade
The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.
Earth & Space Science
First Grade
How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.
Weather and Climate
Third Grade

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