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Elementary School Science Fair Project Ideas

Education.com's elementary school science fair projects expose kids to a broad range of opportunities for scientific inquiry, arming them with the tools and knowledge they need to answer their questions about the world around them. Elementary school science experiments are a great way to demonstrate important concepts in physics and chemistry, while our elementary school science fair project ideas equip kids with carefully explained procedures that yield enlightening results.

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Science fair project that examines the physical characteristics of soil in order to learn about soil permeability and other environmental properties.
Earth & Space Science
Fifth Grade
Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.
Earth & Space Science
Fifth Grade
Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.
Elementary School
Ecology
How clean is the air we breathe? The answer might surprise you. Learn how to investigate local air quality with this cool science fair project.
Ecology
Environmental Issues
Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.
Weather and Climate
Fifth Grade
Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.
Earth & Space Science
Second Grade
The goal of this evaporation experiment is to learn about how different external conditions affect drying time.
Weather and Climate
Second Grade
How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.
Weather and Climate
Third Grade
This science fair project idea deals with the qualities of shade on a sunny day.
Elementary School
Ecology
Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?
Weather and Climate
Third Grade
Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?
Weather and Climate
Third Grade
The objective of this science project is to investigate why NASA has been using aerogel for the Stardust Project for collecting gas and dust from comets.
Elementary School
Astronomy

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