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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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This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.
Fourth Grade
Easy
Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.
Kindergarten
First Grade
How well can people recall what they have observed. Test your knowledge in this fun experiment.
Elementary School
Fourth Grade
The goal of the project is to evaluate whether land or water warms more quickly when subjected to increased temperature.
Elementary School
Fifth Grade
The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.
First Grade
Second Grade
The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.
Fifth Grade
Medium
Test marble and limestone to determine if acid rain is harmful enough to damage buildings and stone monuments.
Fourth Grade
Fifth Grade
Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.
Fourth Grade
Fifth Grade
In this project, different brands of microwave popcorn are tested and compared.
Elementary School
Second Grade
Construct and experiment with a periscope using reflected light rays to gather an image.
Fourth Grade
Fifth Grade

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