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Elementary School Science Fair Project Ideas

Great selection of elementary school science fair project ideas. These science fair projects can help you find elementary school level ideas for your science fair.

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The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.
First Grade
Medium
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.
Elementary School
Fourth Grade
Blowing air erodes -- wears away -- sand and dirt. Find out which material is sturdiest in this erosion experiment.
Second Grade
Earth & Space Science
This science fair project idea determines whether land or water warms more quickly and investigates how solar radiation increases the temperature of surfaces.
Elementary School
Earth & Space Science
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 engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.
Elementary School
Kindergarten
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
How do dew drops form and what causes the formation?  Do this free science fair project and see how and what causes the formation of dew drops up close.
Elementary School
Earth & Space Science
How does frost form?  How fast does it form? Do this free science fair project and see how frost form.  Using a timer, you can also see how fast frost form.
Elementary School
Earth & Space Science
This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?
Elementary School
Third Grade
What causes lightning? In this simple free science fair project using just duct tape in a dark room, you can explore how and why lightning occurs.
Elementary School
Earth & Space Science
Chances are, you don't see earthworms very often. These wiggly creatures like to bury themselves in the dirt, where it's dark and wet. Do they like the moisture, or the darkness? Find out as we explore the relationship between earthworms and light.
Second Grade
Earth & Space Science
How does hail form and what does it look like? In this free science fair project ideas, you'll learn how to create ice pellets that resemble hail.
Elementary School
Earth & Space Science
What causes thunder?  Do this free science fair project using an inflated balloon and a pin to learn about thunder and why thunder makes the loud boom sound.
Elementary School
Earth & Space Science
How does icicle form and what does it look like? Do this free science fair project and see the formation of icicles right before your eyes.
Elementary School
Earth & Space Science

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