Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

Help your child get to know the least-appreciated of the five senses, the sense of smell, with a smelling station.

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

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

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

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

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.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

Your kindergartener will make prints of his favorite fruits and vegetables and learn how to organize and assemble his very own book.

Let your kid experiment with textures among fabric and other materials that are smooth, rough, soft, or slippery—and then they'll make a texture book!

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

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

This activity is a fun challenge for students who have just started learning to program educational robots.

This tactile activity helps kindergarteners learn about texture.

Here's a great early reading and science activity for curious children. Learn how to plant your child's name in seeds for a growing writing activity!

This activity allows your kindergartener to translate what they observe into a beautiful poem.

Here's a science activity to help your child investigate how seeds are designed to travel.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

In this activity your child will create their very own marble maze!

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Create a self-portrait from natural materials in this collage craft activity!

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!