This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

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

This science fair project idea investigates the difference in reaction times between boys and girls.

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!

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

Have your child kick off their summer vacation by making a miniature water slide!

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Nature is the greatest teacher, and you can help facilitate the lesson! Here's how to create a supply backpack to get your kid ready for science action!

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.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Do different types of oil mix or stack? Find out in this science fair project idea!

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

This clay "painting" activity encourages and supports creative development and critical thinking skills.

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

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

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

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

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.