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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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Science fair project which attempts to create a hybrid fish species by breeding two different species of fish together.
Sixth Grade
Fifth Grade
Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.
Sixth Grade
Fifth Grade
Test marble and limestone to determine if acid rain is harmful enough to damage buildings and stone monuments.
Sixth Grade
Fourth Grade
Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.
Sixth Grade
Fourth Grade
Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.
Sixth Grade
Third Grade
The objective of this experiment is to determine how effective hot water is in killing various kinds of microorganisms.
Sixth Grade
Fifth Grade
Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.
Sixth Grade
Fifth Grade
Science fair project that tests how well various sunscreens protect skin from the sunâs ultraviolet radiation by measuring their effect on sun-sensitive paper.
Sixth Grade
Medium
Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.
Sixth Grade
Fifth Grade
Science fair project that demonstrates the different phases of the moon by physically representing them with construction paper and a shoebox
Sixth Grade
Medium
Science fair project that examines the vein structure (venation) of leaves in order to determine the class of the plant sample.
Sixth Grade
Medium

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