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

Show your child the solar system and let them explore the stars and space by creating a painting. It's a fun and easy way capture your child's imagination.

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

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Make a planter full of delicious seasonings and classic grilling vegetables, great for a Fatherâs Day gift or a fun start-of-summer outdoor activity.

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

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!

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

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

The weather is a key kindergarten science concept. With this activity your child will learn about wind direction and create a self portrait, too!

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

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

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

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

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

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

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.

In this science fair project, students make their own rain gauge to measure rainfall.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

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.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

This fall, make a leaf crown that will encourage creative play and your child's interest in the natural world while you help them build fine motor skills.

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

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

Is your child a nature nut with an eye for creative, green-friendly projects? Introduce them to this amazing DIY bird feeder!

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

This simple experiment serves as an introduction to the greenhouse effect.

Your child will create her own falling snowflakes using white paper and glue them over a tree, so it appears as if they are falling from the sky.

Use the textures found in nature to create your own stationery! This fun, outdoor activity will no doubt inspire your child's creative side.