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Science fair project that guides you through how to test the humidity in the environment using a homemade psychrometer.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

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!

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Create a double-slit interference out of cardboard. Produce an interference pattern that demonstrates the wave and particle characteristics of light.

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.

Here's a simple craft activity that can help your youngster better visualize the life cycle of a frog as a circle.

Science fair project which helps you determine your latitude by using an astrolabe, which measures the angle between the North Star and the horizon.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

Are you able to endure long periods of exercise? Find out if snorers can exercise longer than non-snorers.

This simple activity is not only fun, it's also a useful way to organize children's closets — and offer kids some autonomy to boot.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Build an electroscope, a simple device that measures static electricity, or the freely flowing electrical charges of the atmosphere!

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

Have your child try this classic experiment that demonstrates circular motion using a bucket and rope. Be careful, you might get soaked!

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

Examine how a battery can be made from everyday materials.

Who says snow globes are just for winter? Help your child create a summer version with this fun art project!

This second grade arts and crafts activity is all about caterpillars emerging from their cocoons as butterflies.

Slime mold is no longer classified as fungi! So what is it? In this cool science fair project, learn how to grow slime mold and explore its behavior.

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!

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

In this science fair experiment about recycling, demonstrate how the wax from a candle can be reused to make another candle.

Devise an argument for or against the possibility of resurrectin extinct species through DNA manipulation. Analyze data, report findings.

Research history of programming language. Design a new or improved programming language. Create a display that illustrates the features and improvements.

Create a colorful, informative display that illustrates the properties of blood cells. Prepare slides using samples of fresh raw beef or chicken bone marrow.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Take the art making outside: have your first grader make a clay relief sculpture of the natural world. This is a great activity for summer.