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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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In this experiment, the weight of aluminum cans will be compared.
Fourth Grade
Ecology
This science fair project idea is develops new or improved paper making techniques and encourages recycling.
Fourth Grade
Elementary School
This science fair project teaches students the differences between fruits and vegetables.
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
This science fair project will help students learn about non-vascular plants, such as mosses.
Fourth Grade
Second Grade
Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.
Fourth Grade
Zoology
This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.
Fourth Grade
Elementary School
In this science fair project, students create their own miniature salt flats at home.
Fourth Grade
Fifth Grade
Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.
Fourth Grade
Elementary School
In this CD hovercraft science project, students will construct their own DIY hovercraft.
Fourth Grade
Physics
This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.
Fourth Grade
Elementary School

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