In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Is your child a young ornithologist in the making?

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.

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

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

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

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

Have your little astronaut create her own crater-filled moon with this fun craft project that encourages learning about the final frontier.

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

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."

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

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

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!

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

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

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

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

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.

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

This easy at-home experiment is a great way to "see" science.

Test your skills as a weather forecaster, and learn some science terms on the way!

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

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

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

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!

This preschool activity uses paint chips to help your child learn about different shades of colors and how to find different colors in nature.