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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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In this cool elementary school science fair project idea make a model to learn what happens to the Earth's surface when ice moves over land.
Elementary School
Earth & Space Science
What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!
Ecology
Oceans
In this science fair project, students make their own rain gauge to measure rainfall.
Weather and Climate
Fourth Grade
This science fair project idea researches the definition of ‘biodegradable’ and explores this in a real-life setting.
Elementary School
Ecology
In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.
Weather and Climate
Fifth Grade
Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.
Earth & Space Science
Weather and Climate
This science fair project idea uses the process of chemical weathering to change a mineral.
Elementary School
Geology
4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.
Ecology
Fourth Grade
Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.
Geology
Weather and Climate
In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.
Earth & Space Science
Third Grade

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