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 simple experiment serves as an introduction to the greenhouse effect.

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

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

Your child will create her own falling snowflakes using white paper and glue them over a tree, so it appears as if they are falling from the sky.

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

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

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.

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

Make all-natural dye from vegetables to create gorgeous homemade play-silks!

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

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

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

Learn about Ikebana, or the Japanese art of flower arranging, with your child while artfully arranging spring flowers!

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!

Is your child a nature nut with an eye for creative, green-friendly projects? Introduce them to this amazing DIY bird feeder!

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

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

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

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

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

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

Slip some science into storm watching with a homemade rain gauge!

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

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

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.

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

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