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!

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

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

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

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

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.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

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

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

Who needs paint, glitter, or crayons when you have natural art supplies right outside your front door?

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

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

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!

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

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

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

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

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

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

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

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

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

If your mom likes flowers, make her a sweet gift that she'll treasure with this fun craft, a pretty Pressed Flowers Card!

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

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

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

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

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.