Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

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.

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Word color association is just a fancy way to talk about the way we connect colors with words.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

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

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?