Kids will enjoy this cool demonstration of Newton's Third Law and the conservation of linear momentum.

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 science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Slime mold is no longer classified as fungi! So what is it? In this cool science fair project, learn how to grow slime mold and explore its behavior.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

Can you stain teeth with tea, coffee, or coke? Explore how in this science fair project idea.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Study science with your first grader in this arts and crafts activity that models the reason why fall leaves change color with some paint and crayons.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

What is a series circuit and how does it work? Learn about voltage, electrical current, and resistors in this cool science experiment!

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

In this wind tunnel experiment, you'll make a wind tunnel to test lift and airflow on a model plane and explore aerodynamics and the Bernoulli Principle.

Find out whether packaged seeds actually do expire in this new science fair project idea.

This plaster fossil activity is a fun supplement to preschool science. Use plaster to make imprints of your child's handprints, footprints and other objects!

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.