Third Grade Science Fair Project Ideas

Great selection of third grade science fair project ideas. These science fair projects can help you find third grade level ideas for your science fair.

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This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Can Crystals Show Color Mixing?

Third Grade
Second Grade

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Does Gelatin Slow Down the Melting of Freezer Pops?

Third Grade
Elementary School

Creating an earth model is a fun, hands-on way to learn all about our planet. In this project, you'll build a model of the world, complete with all seven continents and four major oceans.

Create Your Own Earth Model

Third Grade
Earth & Space Science

What keeps a an item cooler, polymer crystals or ice? Test your knowledge!

Polymer Crystals vs. Ice

Third Grade
Elementary School

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Third Grade Science Fair Project Ideas

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