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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 science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.
Fourth Grade
Earth & Space Science
This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.
Fourth Grade
Easy
In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.
Fourth Grade
Oceans
Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.
Fourth Grade
Elementary School
Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.
Fourth Grade
Fifth Grade
What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!
Fourth Grade
Chemistry
The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.
Fourth Grade
Elementary School
This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.
Fourth Grade
Elementary School
This project explores whether people's choice of a 'random' number is not as random as it seems.
Fourth Grade
Elementary School
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
This science fair project creates a visual model of whatâs happening to  sound waves as a car approaches and then leaves.
Fourth Grade
Fifth Grade
Examine the effect of pressure on carbonation in soda.
Fourth Grade
Elementary School

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