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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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This science fair project idea investigates if webbed feet help a duck (and others) swim.
Second Grade
Physics
This science fair project idea determines if the size of the parachute will change the rate at which an object falls.
Second Grade
Aerodynamics
This science fair project idea investigates which objects float and sink in honey, water, and oil.
Second Grade
Physics
These science fair experiments demonstrate the chemistry of rust and the oxidation process.
Second Grade
Chemistry
Using a toy race car kids create a visual model of the Doppler Effect.
Second Grade
Physical Science
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
Physics
Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.
Second Grade
Physics
The project investigates how water and movement affects erosion.
Second Grade
Physical Science
How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.
Second Grade
Physical Science
This science fair project idea investigates whether air has mass and weight.
Second Grade
Physics
This science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.
Second Grade
Chemistry

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