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

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

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

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!

Help your young scientist celebrate the wonders of the night sky in the comfort of your own home.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

Celebrate April showers with a springtime arts and crafts activity: make sparkly, shiny raindrops with your kid.

How much water comes out of snow? Explore this timely question with your kindergarten scientist with this easy winter experiment.

What better way to celebrate spring than with a fabulous flower party? Pack the day with fun flower activities and treats for a truly springalicious event!

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.

Slip some science into storm watching with a homemade rain gauge!

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

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

Encourage local wildlife to settle down in your backyard with this adorable bird nest craft.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

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

Jazz up your patio or backyard with hip and quirky planters made from simple Mason jars.

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

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

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

Let your young adventurer go bug hunting in the great outdoors with their very own bug net!

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

Planning a beach vacation? Here's a cool nature craft you can make in the sand with your child.

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

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

Make a spring collage with your child to get them outside and those creative juices flowing!

Who says snow globes are just for winter? Help your child create a summer version with this fun art project!

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

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