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3rd Grade Science Fair Projects

For their 3rd grade science projects, kids begin investigating the answers to their questions much like actual scientists would. Instead of simply collecting qualitative data (describing what they observe), 3rd graders graduate to collecting and presenting quantitative data by measuring their results with increased accuracy, communicating their findings in simple charts and graphs, and describing their observations in written prose. Education.com's collection of 3rd grade science fair projects give kids the opportunity to apply their newly acquired skills to thinking critically about the world around them while having serious fun in the process. Browse our collection of third grade science projects and experiments by using the boxes to the left to filter by topic and find an exciting science project your child will be sure to love.

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Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.
Third Grade
Elementary School
In this science project, the center of gravity is explored.
Third Grade
Physics
This science fair project idea explores the egg's thin membrane.
Third Grade
Elementary School
The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.
Third Grade
Elementary School
This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.
Third Grade
Elementary School
This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?
Third Grade
Elementary School
This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.
Third Grade
Elementary School
This science fair project idea  determines what household items are good conductors of electricity.
Third Grade
Elementary School
The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.
Third Grade
Elementary School
This science fair project idea examines which type of insulation holds in the most heat.
Third Grade
Elementary School
This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.
Third Grade
Elementary School
This project tests the hypothesis that dark colors absorb more heat than light colors.
Third Grade
Physics
Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.
Third Grade
Kindergarten
In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.
Third Grade
Kindergarten
In this project students experiment with making music using only glasses of water.
Third Grade
Elementary School

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