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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 if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.
Fourth Grade
Elementary School
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
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
This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.
Fourth Grade
Elementary School
Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.
Fourth Grade
Medium
Fourth Grade
Elementary School
This science project teaches students to classify different shapes of leaves.
Fourth Grade
Botany
The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.
Fourth Grade
Elementary School
Could there be toxic chemicals lurking in the cupboards and closets of your home?
Fourth Grade
Health and Medicine
This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.
Fourth Grade
Elementary School

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