What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

Word color association is just a fancy way to talk about the way we connect colors with words.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

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

Help your kindergarten science maven explore the water cycle without getting everything wet.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

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

Help young learners discover why catÃs eyes glow in the dark with this simple experiment

In this project children practice the scientific method while playing with puffy paint.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

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.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

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.

Checkerboard play challenges students to use spatial reasoning and computational thinking.

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

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.

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

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Help your kids fall in love with nature by making a simple clay bird bath. Set it up in your yard and watch the animals venture in for a sip of water.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

Help your kindergarten scientist explore an important part of earth science: how soil retains water.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

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