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Second Grade Science Fair Project Ideas

Looking for 2nd grade science fair project ideas for your child's upcoming science fair? 2nd graders are naturally inquisitive, asking dozens of questions about the world around them. Good 2nd grade science fair projects should give kids the tools to seek the answers to their questions, while rewarding them for their innate drive to collect things, count and measure things, and describe things qualitatively. To this end, our team of professional laboratory scientists, science teachers, and educational consultants has put together a rich collection of second grade science fair projects and 2nd grade science experiments that equip kids to engage with the world scientifically.

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Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.
Second Grade
Chemistry
Use pepper and soap to discover some fun facts about the properties of water.
Second Grade
Chemistry
Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!
Second Grade
Chemistry
Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.
Second Grade
Chemistry
This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.
Second Grade
Chemistry
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.
Second Grade
Chemistry
These science fair experiments demonstrate the chemistry of rust and the oxidation process.
Second Grade
Chemistry
This science fair project idea investigates if fats add to the flavor of food.
Second Grade
Chemistry
This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.
Second Grade
Chemistry
Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!
Second Grade
Chemistry
In this project, different brands of microwave popcorn are tested and compared.
Second Grade
Chemistry

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