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Science Fair Project Ideas

Education.com has assembled a vast collection of science fair project ideas written by science teachers, professional scientists, and educational consultants on popular science fair topics ranging from physics and chemistry to biology and even sociology. We offer free science fair ideas suitable for every grade level, be it preschool, kindergarten, elementary school, middle school, or high school. Check the boxes in the sidebar to filter your results, or use the search bar to find that perfect science fair project or experiment your child will be sure to love.

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Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

How to Make a Rubber Band Car

Looking for a fun earth science project on continental drifts? Check out this fun science fair project idea to explore how Pangaea may have broken up.

Exploring the "Breaking Up" of Pangaea

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

Break a Ruler Using Newspaper and Atmospheric Pressure

Which Battery Lasts the Longest?

Is there any correlation between hot tubs and high blood pressure? Kids discover the answer (and its biological basis) in this cool science fair project.

Hot Tubs and High Blood Pressure

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

Crystal Fudge

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

Joule Heating: Resistance vs. Temperature

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Ripening Avocados

In this science experiment, test the pH of soil surrounding a gas station to determine if gas stations have a negative effect on the environment.

Do Gas Stations Cause Soil Pollution?

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Air Density, Convection, and the Movement of Air Molecules

In this experiment, the weight of aluminum cans will be compared.

Illuminating Aluminum

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Cold Desert Plants

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Where Did All the Wild Things Go?

Kids will love making clouds and learning how to make a water cycle model in this fun science fair project idea that explores evaporation and precipitation.

Making Clouds: How to Make a Water Cycle Model

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

How Do Weather Conditions Affect How Fast a Puddle Evaporates?

In this science fair project on the relationship between distance and time, kids explore the behavior of gravitational acceleration through direct observation.

Relationship Between the Distance and Time of a Falling Object

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Education.com has assembled a vast collection of science fair project ideas written by science teachers, professional scientists, and educational consultants on popular science fair topics ranging from physics and chemistry to biology and even sociology. We offer free science fair ideas suitable for every grade level, be it preschool, kindergarten, elementary school, middle school, or high school. Check the boxes in the sidebar to filter your results, or use the search bar to find that perfect science fair project or experiment your child will be sure to love.

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