What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

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

Give your budding young observers a chance to discover simple machines at use in their own home.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

This science fair project idea determines the most effective method of preserving food.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

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.

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

Examine the effect of pressure on carbonation in soda.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

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.

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.