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Elementary School Science Fair Project Ideas

Education.com's elementary school science fair projects expose kids to a broad range of opportunities for scientific inquiry, arming them with the tools and knowledge they need to answer their questions about the world around them. Elementary school science experiments are a great way to demonstrate important concepts in physics and chemistry, while our elementary school science fair project ideas equip kids with carefully explained procedures that yield enlightening results.

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This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.
Elementary School
Life Science
Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.
Botany
Fourth Grade
This fun experiment provides a concrete and visually striking illustration of photosynthesis.
Elementary School
Life Science
Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.
Zoology
First Grade
Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.
Life Science
Zoology
In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!
Botany
Third Grade
This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.
Elementary School
Zoology
In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.
Botany
Third Grade
What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.
Botany
Second Grade
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!
Life Science
Second Grade

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