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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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Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.
Second Grade
Life Science
In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.
Second Grade
Zoology
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
Life Science
This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.
Second Grade
Botany
This science fair project idea demonstrates that plants give off water.
Second Grade
Botany
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
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
Zoology
This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.
Second Grade
Zoology
Can a horse lead itself to the carrot?  Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.
Second Grade
Zoology
There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.
Second Grade
Life Science
This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.
Second Grade
Microbiology

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