Kindergarten algebra is a lot different than high school. In kindergarten math, algebra means grouping like things, or noticing what doesn't belong in a set.

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

Is your child a young ornithologist in the making?

This adventurous art project will send kids on a scavenger hunt for fall materials they can use in their artwork. This craft also teaches kids about seasons.

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

Can't make it to the beach? Bring the science of ocean waves home with this fun earth science-related craft.

Take a closer look at the soil that surrounds us, and give your child a lesson in Geology 101!

Kids are sure to be entranced by the magic of the ocean when they create their very own ocean in a bottle.

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

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

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Hunt for natureâs treasure, the many different products made by trees!

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

With some cookie dough and ordinary household objects, let your kindergartener explore how fossil imprints are made.

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

Help your young scientist celebrate the wonders of the night sky in the comfort of your own home.

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

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

Help your child plant a "tea garden": a garden made of herbs for making teas.

Help your fifth grader embrace the roots--literally--of Mother's Day by growing carnations to honor mothers in you family's history.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

Lead your first grader on a nature walk ... with a scavenger hunt-style twist! They'll try to capture photos that correspond to paint chip colors.

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.