In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

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!

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

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!

Make "fossils" with your child to hide in the sandbox or at the park or the beach, to help your child explore his archaeological side.

Take the art making outside: have your first grader make a clay relief sculpture of the natural world. This is a great activity for summer.

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

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

Help your kindergarten science maven explore the water cycle without getting everything wet.

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

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

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

If you're looking for something to keep your kid busy on a warm day, and give him some writing practice in the process, bring on the mud!

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

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

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