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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 idea produces consumable fresh water from salt water through desalination.
Elementary School
Easy
Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?
Fifth Grade
Easy
This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.
Elementary School
Kindergarten
This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.
Elementary School
Fourth Grade
This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.
Elementary School
Third Grade
This science project teaches students to classify different shapes of leaves.
Fourth Grade
Botany
This science fair project idea explores whether cats can be trained in the same way that dogs can.
Elementary School
Fifth Grade
Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body--your arm!
Third Grade
Engineering
What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.
Fifth Grade
Hard
What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!
Fourth Grade
Chemistry
Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?
Third Grade
Geology

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