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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 experiment tests whether warm or cold water works best in making cut flowers last longer.
Second Grade
Elementary School
This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.
Second Grade
Ecology
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 fair project idea investigates which objects float and sink in honey, water, and oil.
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
Learn about this simple machine and make a pulley of your own to use for fun science trials.
Second Grade
Physics
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
In this project, sunlight is blocked from a leaf in order to see the affect that sunlight has on leaves.
Second Grade
Elementary School
This science fair project teaches students about wilting and browning of salad greens.
Second Grade
Kindergarten
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
This experiment challenges students to forecast the weather based on the surrounding areas' weather.
Second Grade
Kindergarten
How do organic materials become soil? This science experiment measures what materials biodegrade.
Second Grade
Elementary School
How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.
Second Grade
Easy

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