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

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

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

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

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

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

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

This will encourage your child to utilize their observation skills, develop aesthetic awareness, build artistic drawing abilities and learn about the seasons.

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!

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

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 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.

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

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.

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!

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

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.

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

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 child celebrate the summer and the sun by making a sandy seascape.

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

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

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.