Start your toy engines -- this is going to be a fast and friction-filled race!

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

The weather is a key kindergarten science concept. With this activity your child will learn about wind direction and create a self portrait, too!

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

What better way to celebrate spring than with a fabulous flower party? Pack the day with fun flower activities and treats for a truly springalicious event!

Examine the influence of the phase of the moon on moisture capillarity in garden soil. Measure and record the depth at which water is first detected.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Here's an arts and crafts activity for preschoolers and pre-kindergarteners: build brick buildings with homemade mud bricks made from dirt and water.

Test your skills as a weather forecaster, and learn some science terms on the way!

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

This science fair project idea determines if the color of light affects the growth of plants.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

In almost every preschool classroom is a sensory table. Learn how to make one at home!

In this activity, you'll send your kindergartener on a scavenger hunt to find sounds and create a sound recording. Here's how!

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

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

The objective of this science project is to determine the length of time for different seeds to germinate.

This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.