This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Make all-natural dye from vegetables to create gorgeous homemade play-silks!

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.