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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 project examines whether people's taste perception is influenced by what they see.
Fourth Grade
Elementary School
This science fair project idea determines the most effective method of preserving food.
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
This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.
Fourth Grade
Fifth Grade
Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.
Fourth Grade
Easy
This science fair project teaches students the differences between fruits and vegetables.
Fourth Grade
Elementary School
Are there really specific taste areas of the tongue for sweet, salty, bitter, sour, and umami? Find out for yourself in this cool science project.
Fourth Grade
Easy
Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.
Fourth Grade
Second Grade

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