This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

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

What happens when light hits a hard surface? Find out by conducting a simple light reflection experiment with your preschooler.

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

In celebration of Earth Day, help your fifth grader write a poem from the Earth to its inhabitants.

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

Travel back to the Jurassic age with this creative dinosaur activity that would make a great addition to any wall or fridge.

This preschool activity uses paint chips to help your child learn about different shades of colors and how to find different colors in nature.

Try this chemistry experiment with your curious kid and get some "shocking" results!

This slightly messy, but tons-of-fun tactile activity will cement the idea of the land and water as pictured on maps in your young learner's mind.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Determine if each hemisphere specializes in dealing with specific functions. Include illustrations of the brain, it hemispheres.

Help your child make an attractive frozen holiday ornament to hang outside during winter months.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

This science fair project idea demonstrates the process of land erosion.

Can playing video games trigger an adrenaline rush even though there's no real danger? In this cool experiment you'll learn all about how fight-or-flight works!

Science fair project that tests how well various sunscreens protect skin from the sunâs ultraviolet radiation by measuring their effect on sun-sensitive paper.

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Help your first grader design and create his very own bird feeder out of an empty milk carton.

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

How is NASA able to launch something into orbit around the Earth? Learn about the relationship between gravity, speed, and orbit in space in this cool project!

This experiment will explore if and where fractals can be found in the natural world.

Science fair project idea helps conceptualize probability. Compare probabilities and outcomes of cards drawn from a standard playing deck.

Demonstrate Newton's laws of motion by examining the relationship between mass, force, and acceleration during free-fall.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.