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Science Fair Project Ideas

Find the science fair project ideas you're looking for. Many different science fair projects are available for you to browse through and get ideas for your own science fair project.

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In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.
Exploring Erosion, Sediments and Jetties
Fourth Grade
Earth & Space Science
The objective of this science fair project is to determine the rate at which a plastic bag, a paper bag, and newspaper biodegrade over time.
Environmental Effects of Biodegradability on Plastic Bags, Paper Bags, and Newspaper
Middle School
High School
This science fair project idea uses the process of chemical weathering to change a mineral.
Chemical Weathering
Elementary School
Easy
How do clouds form? Can clouds be made manually? In this free science fair project, you can make clouds using simple materials.
Making Clouds
Middle School
Easy
What is a hygrometer? It's a device that measure humidity. Learn how to make a hygrometer in this free science fair project idea. Great project for kids.
Making a Hygrometer
Middle School
Easy
In this free science fair project idea, we learn about how scientists use indicators to predict the earth's climate and geology many years ago.
Indicators: How do Scientists Gather Clues to Climates of the Past?
Elementary School
Easy
Does salt content vary by the different locations in the bay during high and low tides? Test your hypothesis!
Got Salt? Comparing Salt Content During High and Low Tides
Middle School
Ecology
From soda and eggs to creepy crawlers and plants, science is a huge part of everyday life. Get your child excited about the science fair with these kid-friendly projects he's sure to love.
10 Science Fair Projects Kids Can't Resist (10)
Chemistry
Physics
Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.
Why Do Plants Wilt?
Kindergarten
Botany
Where is the Polaris - the North Star? Can you use the north star to find out the latitude of your home? Do this free science fair project and explore.
Use the North Star to Determine Where You Live on Earth
Middle School
Easy
Is temperature a requirement for solar energy uses? This project tests this theory and examines the amount of usable sunlight for solar-energy applications.
Do We Need Heat for Solar Power?
Middle School
High School
The purpose of this project is to examine the sun's highest altitude in the sky during the day to determine if it is exactly halfway between sunrise and sunset.
Compare Sun's Zenith to Sunrise and Sunset
Middle School
High School
This science fair project idea produces consumable fresh water from salt water through desalination.
Desalination
Elementary School
Easy
With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.
Floating Rocks
First Grade
Easy
You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.
How Do Oil Spills Affect the Environment?
Fifth Grade
Ecology

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