Using a toy race car kids create a visual model of the Doppler Effect.

This slightly messy, but tons-of-fun tactile activity will cement the idea of the land and water as pictured on maps in your young learner's mind.

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

Ignite your kindergartener's love of adventure and learning with an imaginary trip under the sea.

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

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

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

Have your little astronaut create her own crater-filled moon with this fun craft project that encourages learning about the final frontier.

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

When critters protect themselves by taking on the patterns of nature, it's called "camouflage." Play this camouflage matching game with your child!

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

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

Help your kindergartener expand social studies and science work while creating this lovely bag clip for the holidays.

The weather is a key kindergarten science concept. With this activity your child will learn about wind direction and create a self portrait, too!

Here's an arts and crafts activity for preschoolers and pre-kindergarteners: build brick buildings with homemade mud bricks made from dirt and water.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

In almost every preschool classroom is a sensory table. Learn how to make one at home!

In this activity, you'll send your kindergartener on a scavenger hunt to find sounds and create a sound recording. Here's how!

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.

Help your child create a garden journal sketchbook as she observes and records the natural world through the changing seasons.

This crafty activity provides a hands-on way for your child to illustrate how the trees look during each season of the year.

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

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

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 simple activity is not only fun, it's also a useful way to organize children's closets — and offer kids some autonomy to boot.

Here's a science and nature activity to help your kindergartener get outdoors and learn about the structure of leaves.

This is a fun and inexpensive project and it's a great way for your child to build basic geometry skills, like shape recognition and pattern/angle familiarity.

Help your child build her very own science laboratory at home for experiments and science projects. This is a quick, easy, and fun educational tool!

Here's a simple craft activity that can help your youngster better visualize the life cycle of a frog as a circle.