Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

In this activity, find out who the flowers' "partners in crime" are by being a flower spy!

Put those fall leaves to use with this fun art activity. Kids paint and print leaves, to make a beautiful tablecloth, perfect for your next fall celebration.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

Slip some science into storm watching with a homemade rain gauge!

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

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

It's a rare kid who doesn't like a sandbox. Next time you're out digging, build in some earth science, too.

Make an adorable nut buddy by crafting nature people out of nuts in shells! Buddies will take on their own personalities depending on the materials you use.

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!

If your mom likes flowers, make her a sweet gift that she'll treasure with this fun craft, a pretty Pressed Flowers Card!

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

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.

Is your child a young ornithologist in the making?

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

What better way to nurture your child's imagination than by making a fairy house out of materials found in nature!

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

Help your child make a beautiful homemade sandcastle that will last!

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.

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

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.

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Kids will love making clouds and learning how to make a water cycle model in this fun science fair project idea that explores evaporation and precipitation.

Play Rock Tic-Tac-Toe, the perfect outdoor game for all ages. Help your child develop thinking skills and get away from the TV!