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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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In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!
Sixth Grade
Chemistry
In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.
Sixth Grade
Physics
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
Physics
What is a series circuit and how does it work? Learn about voltage, electrical current, and resistors in this cool science experiment!
Sixth Grade
Electricity and Magnetism
Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.
Sixth Grade
Physics
Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.
Sixth Grade
Electricity and Magnetism
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
Check out this fun leaf chromatography science fair project idea for middle school students and discover the hidden pigments in leaves.
Sixth Grade
Chemistry
In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.
Sixth Grade
Electricity and Magnetism
The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.
Sixth Grade
Physics
This science fair project creates a visual model of whatâs happening to  sound waves as a car approaches and then leaves.
Sixth Grade
Physics

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