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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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Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.
Second Grade
Psychology and Sociology
Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.
Second Grade
Physics
Get down to the rubber with this science project that tests the effectiveness of different types of erasers.
Second Grade
Physical Science
Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.
Second Grade
Third Grade
This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.
Second Grade
Elementary School
Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.
Second Grade
Kindergarten
Discover whether cold or hot water from the faucet will boil faster on the stove.
Second Grade
Elementary School
Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.
Second Grade
Zoology
This science fair project idea investigates if fats add to the flavor of food.
Second Grade
Elementary School
How do organic materials become soil? This science experiment measures what materials biodegrade.
Second Grade
Elementary School
This science fair project idea explores how length affects the weight a bridge can hold.
Second Grade
Elementary School
This science fair project idea demonstrates that plants give off water.
Second Grade
Elementary School
This science fair project idea  investigates how optical distances change the apparent size of an object as seen through a magnifying lens.
Second Grade
Elementary School
This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.
Second Grade
Elementary School
This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.
Second Grade
Elementary School

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