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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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How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!
Fourth Grade
Physical Science
This project examines the impact of low water on a radish seedling root system. How is growth affected?
Fourth Grade
Elementary School
In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.
Fourth Grade
Elementary School
Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.
Fourth Grade
Physics
Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.
Fourth Grade
Third Grade
Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.
Fourth Grade
Fifth Grade
Science fair project that examines condensation and the conditions needed in order for dew to form.
Fourth Grade
Second Grade
Find out whether packaged seeds actually do expire in this new science fair project idea.
Fourth Grade
Fifth Grade
Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.
Fourth Grade
Chemistry
Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.
Fourth Grade
Fifth Grade
This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.
Fourth Grade
Elementary School

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