Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

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 project compares the strength of one, two, and three-ply toilet paper.

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

Discover how and which salt melts ice the quickest.

In this science fair project, young children notice and track changes in trees throughout the year.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

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.

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

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

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

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

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

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

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

This science fair project idea determines what household items are good conductors of electricity.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great 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.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

Planning a beach vacation? Here's a cool nature craft you can make in the sand with your child.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Show your preschooler how to make a print of a butterfly using her hand as a tool--a great way to stimulate her sense of touch.