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

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

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

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

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.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

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.

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

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

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

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.

Create a bee garden to help shelter bees in your area.

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!

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

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

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.

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!

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

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

Help your child plant a "tea garden": a garden made of herbs for making teas.

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

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!