Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Give your science savvy kindergarten a lesson in plant science with this fun carnation experiment.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Learn how different types of soil affect how animal tracks form in this experiment!

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Help your child make an attractive frozen holiday ornament to hang outside during winter months.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

If you're looking for something to keep your kid busy on a warm day, and give him some writing practice in the process, bring on the mud!

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

How can you tell the difference between a spider and an insect? Your child will find out as he makes a tray of yummy creepy crawly snacks.

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

Help your child add some flair to the family garden with pencil pinwheels!

How much water comes out of snow? Explore this timely question with your kindergarten scientist with this easy winter experiment.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

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!

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

This craft is an excellent way to learn about African-American history, and it also provides fine motor practice.

Teach your preschooler some physics that she can relate to with this fun and simple activity!

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

Make a kindergarten "discovery table" that reinforces both science and writing skills. Here's how:

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

This clay "painting" activity encourages and supports creative development and critical thinking skills.

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!