In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

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

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

In this project children practice the scientific method while playing with puffy paint.

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.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

This classic children's game demonstrates how sound travels through air vs. through a solid.

In this experiment you will replicate the mummification process by making a hot dog mummy.

Help your child make a beautiful homemade sandcastle that will last!

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

In this activity your child will create their very own marble maze!

Using a glass fishbowl, you and your kids can create a low-humidity, open-topped terrarium perfect for easy care, drought-tolerant succulents.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

This science fair project idea demonstrates that plants give off water.

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

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

Teach your child about recycling and gardening as she re-uses an empty plastic milk gallon jug to craft a swan-shaped plant container!

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!