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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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In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!
Third Grade
Science Fair Project Ideas
Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.
Third Grade
Science Fair Project Ideas
Collect meteorite dust with a magnet in your very own backyard!  The objective of this science fair project is to gather meteorite dust to study outer space.
Third Grade
Science Fair Project Ideas
The purpose of this science fair project is to investigate whether crickets prefer the light or the dark.
Third Grade
Science Fair Project Ideas
The purpose of this science fair project is to investigate how various odors affect cricket behavior.
Third Grade
Science Fair Project Ideas
The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.
Third Grade
Science Fair Project Ideas
How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.
Third Grade
Science Fair Project Ideas
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
Science Fair Project Ideas
The purpose of this science fair project is to investigate the reliability of eye witness reports.
Third Grade
Science Fair Project Ideas
The purpose of this science fair project is to investigate how dark and light colors absorb heat differently.
Third Grade
Science Fair Project Ideas
The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.
Third Grade
Science Fair Project Ideas
Explore light and colors with this fun and easy project! The purpose of this science fair project is to investigate how light makes colors.
Third Grade
Science Fair Project Ideas
The purpose of this science fair project is to determine which brands of batteries last the longest.
Third Grade
Science Fair Project Ideas
Vitamin C boosts your immune system and your health.  The purpose of this science fair project is to determine which fruit juices have the most Vitamin C.
Third Grade
Science Fair Project Ideas

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