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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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These science fair experiments demonstrate the chemistry of rust and the oxidation process.
Elementary School
Chemistry
Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.
Chemistry
Third Grade
In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.
Chemistry
Second Grade
In this project, a magnet is used to collect iron from breakfast cereals.
Elementary School
Chemistry
Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.
Chemistry
Third Grade
Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.
Chemistry
Third Grade
Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!
Chemistry
Second Grade
This science fair experiment idea's objective is to understand the general concept of an acid and a base.
Elementary School
Chemistry
Learn how milk freezes into ice cream. Does the fat content affect how quickly the milk freezes? What is salt's role in the freezing process?
Elementary School
Chemistry
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.
Chemistry
Fourth Grade
Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can 'crash out' to form crystals when conditions change.
Chemistry
Third Grade
The objective of this science fair project is to explore the relationship between acidic and basic compounds.
Elementary School
Chemistry

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