Construct and experiment with a periscope using reflected light rays to gather an image.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

I scream, you scream, we all scream for homemade spearmint ice cream!

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

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

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

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

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.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

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

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

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

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

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