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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 how the shape of an object affects drag.
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 if webbed feet help a duck (and others) swim.
Second Grade
Elementary School
This science fair project idea determines if the size of the parachute will change the rate at which an object falls.
Second Grade
Elementary School
This science experiment tests whether warm or cold water works best in making cut flowers last longer.
Second Grade
Elementary School
This science fair project idea investigates which objects float and sink in honey, water, and oil.
Second Grade
Elementary School
Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.
Second Grade
Elementary School
This science experiment has students test whether a snail moves faster on concrete or dirt.
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 teaches students about wilting and browning of salad greens.
Second Grade
Kindergarten
Learn about this simple machine and make a pulley of your own to use for fun science trials.
Second Grade
Physics
This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.
Second Grade
Elementary School
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
Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.
Second Grade
Earth & Space Science

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