This science fair project idea explores whether talking to a plant will help it grow.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

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

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

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

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

Teach your child about using pumps to move water in this simple and educational preschool science activity!

Engineers in training can get started with this simple wheel-and-axle construction activity.

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

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

In this fun activity, your child will create their very own solar oven to bake s'mores!

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

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

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?

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

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.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

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

Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.