This two-ingredient dough, sometimes called "moon sand," is a quick and cheap way to let kids explore their senses, build fine motor skills, and play.

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

Make sourdough bread...and learn some colonial history and modern science in the process!

This basketball project explores the best way to make the perfect shot every time.

Let your kid experiment with textures among fabric and other materials that are smooth, rough, soft, or slippery—and then they'll make a texture book!

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Satisfy your kindergartener's fascination of different sounds with this easy science project, where they'll use their ears instead of their eyes to identify sounds!

Your kindergartener will make prints of his favorite fruits and vegetables and learn how to organize and assemble his very own book.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

In this fun activity, frozen cubes of paint provide your preschooler with a cool new way to paint a masterpiece.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

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.

Checkerboard play challenges students to use spatial reasoning and computational thinking.