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.

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

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.

Conduct a simple experiment with your child to study how dirt tracks change as they age in this 1st grade science activity.

In first grade, children are introduced to fractions. Here's a recipe that combines fraction practice with winter fun and lets kids actually paint the snow!

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

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!

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

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

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

In this fun activity, kids practice measurement and boost fine motor skills as they learn all about how fossils form and even make a few of their own!

Play Rock Tic-Tac-Toe, the perfect outdoor game for all ages. Help your child develop thinking skills and get away from the TV!

This fall, make a leaf crown that will encourage creative play and your child's interest in the natural world while you help them build fine motor skills.

Take the art making outside: have your first grader make a clay relief sculpture of the natural world. This is a great activity for summer.

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.

First graders are learning to think like scientists. What better place to start, then by raising tadpoles? This hands-on activity explores science in action!

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.

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

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.

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.