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Sixth Grade Science Fair Project Ideas

For their 6th grade science fair projects, students begin to apply more strict experimental controls to their investigations. They'll also be aware that people have a tendency to "observe" what they expect to observe, and that good 6th grade science projects and experiments should involve taking some small but important steps to maintain objectivity. To this end, ambitious 6th graders can design their experiments to be blind studies (or even double-blind studies!). Kids will also start to think about the historical context surrounding their investigations and how their projects fit into the timeline of humanity's scientific knowledge as a whole. Scientific knowledge is always subject to modification: new discoveries can challenge existing theories, enabling us to look at old observations in whole new ways. Education.com's team of talented science writers has kept all of this in mind when developing our informationally rich and conceptually rigorous sixth grade science fair project ideas, which are sure to be a big hit with any sixth grader.

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This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.
Sixth Grade
Elementary School
In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!
Sixth Grade
Elementary School
Check out this fun leaf chromatography science fair project idea for middle school students and discover the hidden pigments in leaves.
Sixth Grade
Easy
Is there really such a thing as healthy gum? Students will learn what factors in chewing gum contribute to healthy teeth in this exciting science fair project.
Sixth Grade
Hard
In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.
Sixth Grade
Seventh Grade
This experiment investigates whether font choice affects peoplesâ ability to remember the information that they read.
Sixth Grade
Middle School
Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.
Sixth Grade
Easy
Analytical chemists perform chromatography to separate colors into pigments. Test the food coloring used in M&M's and Skittles candy in this fun project!
Sixth Grade
Chemistry

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