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Fourth Grade Science Fair Project Ideas

Building off of what they learned in 3rd grade, 4th graders add a new level of sophistication to their 4th grade science projects. In addition to describing data quantitatively, kids begin to use their observations to formulate scientific arguments and engage in scientific debate. 4th grade science fair projects may involve kids going beyond testing a hypothesis—young scientists can be encouraged to use their results to make predictions about what might happen when the experiment is expanded to test new variables. Education.com's selection of fourth grade science fair project ideas are carefully written with 4th graders in mind, giving them the tools they need to effectively learn about the world around them by pursuing the answers to their questions in a methodical way.

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Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.
Fourth Grade
Elementary School
Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.
Fourth Grade
Fifth Grade
What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.
Fourth Grade
Astronomy
This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.
Fourth Grade
Botany
Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.
Fourth Grade
Second Grade
The goal of this evaporation experiment is to learn about how different external conditions affect drying time.
Fourth Grade
Second Grade
In this project, different brands of microwave popcorn are tested and compared.
Third Grade
Chemistry
Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?
Fourth Grade
Third Grade
Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?
Fourth Grade
Third Grade
Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.
Fourth Grade
Fifth Grade
This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.
Fourth Grade
Elementary School
This project tests the hypothesis that dark colors absorb more heat than light colors.
Third Grade
Physics

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