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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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Looking for a way to liven up a hot summer day? A little hands-on science is the perfect way to keep your kid occupied. So why not recruit your budding scientist and conduct an experiment or two?
Elementary School
Weather and Climate
Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.
Earth & Space Science
Fourth Grade
Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.
Weather and Climate
Second Grade
Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.
Ecology
Fifth Grade
In this science fair project, you'll make a 'ghost' appear in a test tube, and learn about what happens when hot water and cold water interact.
Elementary School
Weather and Climate
Collect meteorite dust with a magnet in your very own backyard!  The objective of this science fair project is to gather meteorite dust to study outer space.
Elementary School
Astronomy
Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.
Astronomy
First Grade
Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.
Weather and Climate
Third Grade
Science fair project that examines condensation and the conditions needed in order for dew to form.
Weather and Climate
Second Grade
Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.
Earth & Space Science
Fifth Grade
This experiment challenges students to forecast the weather based on the surrounding areas' weather.
Elementary School
Weather and Climate
Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.
Geology
Fourth Grade
The goal of the project is to evaluate whether land or water warms more quickly when subjected to increased temperature.
Elementary School
Geology
The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.
Earth & Space Science
First Grade

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