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

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

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.

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.

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

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

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

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

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

Is your child a young ornithologist in the making?

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

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

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!

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

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

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

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!

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

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

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

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

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

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

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.

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.