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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 science fair project idea examines which type of insulation holds in the most heat.
Fourth Grade
Chemistry
Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.
Fourth Grade
Chemistry
These science fair experiments demonstrate the chemistry of rust and the oxidation process.
Fourth Grade
Chemistry
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
Chemistry
Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.
Fourth Grade
Chemistry
This science fair experiment idea's objective is to understand the general concept of an acid and a base.
Fourth Grade
Chemistry
Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.
Fourth Grade
Chemistry
Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.
Fourth Grade
Chemistry
What combination of cloth and stain will be the easiest for removing stains? Test and experiment!
Fourth Grade
Chemistry

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