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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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In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.
Second Grade
Elementary School
Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?
Second Grade
Third Grade
Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?
Second Grade
Physics
In this experiment you will replicate the mummification process by making a hot dog mummy.
Second Grade
First Grade
In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.
Second Grade
Medium
This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.
Second Grade
Kindergarten
This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.
Second Grade
Kindergarten
This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.
Second Grade
Elementary School
This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.
Second Grade
Elementary School
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
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

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