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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 you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!
Fourth Grade
Zoology
In this science fair project, students use the streak test to tell minerals apart from each other.
Fourth Grade
Elementary School
Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.
Fourth Grade
Easy
In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!
Fourth Grade
Elementary School
This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.
Fourth Grade
Elementary School
Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!
Fourth Grade
Botany
It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.
Fourth Grade
Environmental Issues
4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.
Fourth Grade
Zoology
This science fair project idea determines the most effective method of preserving food.
Fourth Grade
Elementary School
This science fair project idea  develops an understanding through experimentation of which shapes are the most structurally strong.
Fourth Grade
Elementary School

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