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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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This science fair project idea examines which type of insulation holds in the most heat.
Fourth Grade
Elementary School
This science fair project idea determines what household items are good conductors of electricity.
Fourth Grade
Third Grade
In this investigation, three different juices are tested to determine which juice contains the greatest amount of vitamin C.
Fourth Grade
Elementary School
In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.
Fourth Grade
Kindergarten
In this project, waves of vibrations are experimented with using water in glasses.
Fourth Grade
Elementary School
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
The goal of this project is to create an exciting topographical map out of dough.
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
This science project has students collect wood samples and invent new uses for different types of wood based on its properties.
Fourth Grade
Elementary School
Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.
Fourth Grade
Second Grade

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