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.

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

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

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!

This activity turns your kid into the family weatherman. Plus, it teaches him to collect data and begin to understand graphing.

Try this fun garden graphing project with your kindergartener this summer to give him a leg up in math and science while spending some valuable time outdoors!

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.

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

Teach your fifth grader about the wonders of wind by making and observing this winter wind chime.

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.

Help your fifth grader embrace the roots--literally--of Mother's Day by growing carnations to honor mothers in you family's history.

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

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.

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!

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

Allow your first grader to get his artwork outdoors this summer by letting him create a garden art box for his arts and crafts supplies.

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

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

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.

This winter garden project is just about bomb-proof, and believe it or not, it might even make a great gift. So get craft happy with your first grader!

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

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!