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

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

Your child can use leaves and grass to create his own outdoor art in celebration of Earth Day...all he needs are is the great outdoors and some creativity!

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

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

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.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

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 activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

Learn about Ikebana, or the Japanese art of flower arranging, with your child while artfully arranging spring flowers!

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

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

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

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

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

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

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

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.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

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.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

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

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

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

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

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

Create a self-portrait from natural materials in this collage craft activity!

Pair a planetarium visit with this fun art project that mimics the look of far-off galaxies.