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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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Do plants get crowded?
Second Grade
Botany
Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!
Second Grade
Life Science
Test your friends to find out if you can replicate the placebo effect's incredible results.
Second Grade
Anatomy
Do you think you could walk around upside down -- with your feet in the air and your head on the ground?
Second Grade
Botany
What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.
Second Grade
Botany
In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.
Second Grade
Microbiology
This science fair project teaches students about wilting and browning of salad greens.
Second Grade
Botany
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
This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.
Second Grade
Botany
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
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 fair project idea demonstrates that plants give off water.
Second Grade
Botany

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