introduction to organic chemistry. study what happens when polymer molecules are mixed with borax solution.

Make an edible play dough with your child to help her develop her sensory and motor skills.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

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.

This two-ingredient dough, sometimes called "moon sand," is a quick and cheap way to let kids explore their senses, build fine motor skills, and play.

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

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

Boost your preschooler's attention to detail by getting her to explore the differences between two different pumpkins: large and small.

Determine how good we are at direct and indirect observation.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

In this fun activity, frozen cubes of paint provide your preschooler with a cool new way to paint a masterpiece.

Wreath ornaments decorate your Christmas tree and act as a fun sensory craft for preschoolers. Make wreath ornaments with your child this holiday season.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.