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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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Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.
Fourth Grade
Fifth Grade
Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.
Fourth Grade
Elementary School
examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy
Fourth Grade
Fifth Grade
In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.
Fourth Grade
Elementary School
This science fair project idea examines which type of insulation holds in the most heat.
Fourth Grade
Elementary School

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