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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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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
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 science project challenges students to learn about and classify weeds and discover new practical uses for weeds.
Fourth Grade
Botany
Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.
Fourth Grade
Second Grade
In this project, different brands of microwave popcorn are tested and compared.
Fourth Grade
Elementary School
Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.
Fourth Grade
Third Grade
Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.
Fourth Grade
Fifth Grade
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
This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.
Fourth Grade
Easy

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