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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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Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.
Second Grade
Geology
This science fair project teaches students the differences between fruits and vegetables.
Second Grade
Elementary School
In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.
Second Grade
Easy
This project explores whether plants can live and grow when 'watered' with juice, soda, or milk.
Second Grade
Kindergarten
This science fair project will help students learn about non-vascular plants, such as mosses.
Second Grade
Third Grade
Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.
Second Grade
Engineering
This science fair project idea determines which method of hand cleansing is the most effective.
Second Grade
Elementary School
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
This science fair project examines how seeds hitchhike on animals and clothing.
Second Grade
Elementary School

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