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In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

This experiment uses Rosenberg's Self Esteem Scale to evaluate if there is a correlation between family size and self esteem.

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

Science fair project that builds a magnetometer and demonstrate its uses.

This science fair project idea investigates food preference of birds.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

In this science fair project, students create their own miniature salt flats at home.

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Compare ability of selected materials to block UV-A radiation. Shine black light though glass at detecting beads underneath. Note color intensity.

This science experiment explores why leaves change color in the fall and the role of photosynthesis in leaf coloration.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

This biodiversity project examines the biodiversity in your own backyard.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

Observe trends in the properties of writing materials over past 5000 years and extrapolate to future time. Prepare a table that compares writing material.

Demonstrate which cooking method gets rid of the most fat.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

Who says snow globes are just for winter? Help your child create a summer version with this fun art project!

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Do this activity to help your kids see how seeds contain "baby" versions of big plant stems, roots, and leaves.

This snowman's not abominable, he's adorable! Your child can bring her very own snowman to life while practicing how to create texture.

Use the textures found in nature to create your own stationery! This fun, outdoor activity will no doubt inspire your child's creative side.

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

Are you ready to pilot your own airplane? Well, then take to the skies with this high-flying project!

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.