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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 project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.
Fourth Grade
Earth & Space Science
Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.
Fourth Grade
Earth & Space Science
What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.
Fourth Grade
Earth & Space Science
In this science fair project, students use the streak test to tell minerals apart from each other.
Fourth Grade
Earth & Space Science
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
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
Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...
Fourth Grade
Earth & Space Science
Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.
Fourth Grade
Earth & Space Science
Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.
Fourth Grade
Earth & Space Science
Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.
Fourth Grade
Earth & Space Science
Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.
Fourth Grade
Earth & Space Science
Test marble and limestone to determine if acid rain is harmful enough to damage buildings and stone monuments.
Fourth Grade
Earth & Space Science
This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?
Fourth Grade
Earth & Space Science
In this experiment you explore how tectonic plates move to create land and expand bodies of water.
Fourth Grade
Earth & Space Science

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