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

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

This plaster fossil activity is a fun supplement to preschool science. Use plaster to make imprints of your child's handprints, footprints and other objects!

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

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.

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.

This tactile activity helps kindergarteners learn about texture.

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

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

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.

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

In this fun activity, kids practice measurement and boost fine motor skills as they learn all about how fossils form and even make a few of their own!

Are you looking for an out-of-this world activity that's both fun and educational? This solar system garland is a great way to introduce your child to astronomy.

Teach your fifth grader about the wonders of wind by making and observing this winter wind chime.

Help your child add some flair to the family garden with pencil pinwheels!

This clay "painting" activity encourages and supports creative development and critical thinking skills.

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.

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

This activity will help your child review science concepts, learn new ones, and become familiar with examples of various concepts in science. Plus, it's fun!

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

Here's how you and your teen can stage your own formal debateâbeyond arguing why chores are unethical! Formal debates improve teens' critical thinking skills.

Here's a guide to starting a community clean-up project from scratch.

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