Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

This science fair project teaches students about wilting and browning of salad greens.

Discover whether a metal will expand under hot water.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

Help your child plant a "tea garden": a garden made of herbs for making teas.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This science fair project examines how seeds hitchhike on animals and clothing.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Make a planter full of delicious seasonings and classic grilling vegetables, great for a Fatherâs Day gift or a fun start-of-summer outdoor activity.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Create a bee garden to help shelter bees in your area.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

This science fair project investigates why the number of visible stars changes from place to place.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

In this experiment you will replicate the mummification process by making a hot dog mummy.