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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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The purpose of this science fair project is to determine whether it takes more force to move an object over a smooth surface or a rough surface.
Fourth Grade
Elementary School
The purpose of this science fair project is to determine which household products are acids or bases.
Fourth Grade
Elementary School
In this project, a model of a submarine is built to simulate the buoyancy and displacement of water and air.
Fourth Grade
Elementary School
The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.
Fourth Grade
Elementary School
This science fair project idea identifies the properties of soap bubbles and invents a new or improved bubble solution.
Fourth Grade
Elementary School
The project determines determine if a sports drink affects the heart rate of a student athlete during exercise.
Fourth Grade
Elementary School
The project determines which type of birds prefer which type of birdseed.
Fourth Grade
Elementary School
The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.
Fourth Grade
Elementary School
This science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.
Fourth Grade
Elementary School
This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.
Fourth Grade
Elementary School
This science project idea examines the effect of microwaving on various objects.
Fourth Grade
Elementary School
This science fair project idea examines liquids of different densities.
Fourth Grade
Elementary School
The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.
Fourth Grade
Elementary School
In this project, the fingerprints of family members are compared to determine if people from the same family have similar fingerprints.
Fourth Grade
Anatomy

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