Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

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

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.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

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

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

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.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

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

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

This science fair project idea experiments with spinning color wheels and optical illusions.

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

How powerful is the reaction between baking soda and vinegar? Find out here!

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

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

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

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

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!