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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? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.
Second Grade
Botany
Test your friends to find out if you can replicate the placebo effect's incredible results.
Second Grade
Anatomy
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
Do you think you could walk around upside down -- with your feet in the air and your head on the ground?
Second Grade
Botany
This science experiment tests whether warm or cold water works best in making cut flowers last longer.
Second Grade
Botany
This science experiment has students test whether a snail moves faster on concrete or dirt.
Second Grade
Zoology
This science fair project teaches students about wilting and browning of salad greens.
Second Grade
Botany
This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.
Second Grade
Zoology
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

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