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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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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.
Fourth Grade
Medium
Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.
Elementary School
Fourth Grade
Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.
Second Grade
Medium
This fun experiment provides a concrete and visually striking illustration of photosynthesis.
Elementary School
Kindergarten
This science fair project explores how osmotic pressure forces water through the root up into the plant.
Elementary School
Third Grade
This biodiversity project examines the biodiversity in your own backyard.
Third Grade
Medium
Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.
Third Grade
Fourth Grade
Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.
Fourth Grade
Life Science
Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.
Third Grade
Easy

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