Here's a simple science activity that will help your child better understand how wells bring us water.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

What happens when light hits a hard surface? Find out by conducting a simple light reflection experiment with your preschooler.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

In this hands-on activity, kids learn what it takes to foster seedlings into full-grown plants, all in a regular old soda bottle!

Are you looking for an out-of-this world activity that's both fun and educational? This solar system garland is a great way to introduce your child to astronomy.

Give your budding young observers a chance to discover simple machines at use in their own home.

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

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

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.

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

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

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

Give your child a chance to experiment with how things grow. And throw in something extra to up the fun factor even more...her very own grass pet!

Combine science with reading and art to help your first grader create an attractive holiday gift for a beloved friend or relative.

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

Let your young adventurer go bug hunting in the great outdoors with their very own bug net!

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Encourage local wildlife to settle down in your backyard with this adorable bird nest craft.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.