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 science and nature activity to help your kindergartener get outdoors and learn about the structure of leaves.

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

Kids conduct a simple science experiment to see if seeds can grow without soil in this simple kindergarten science activity.

This tactile activity helps kindergarteners learn about texture.

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.

The weather is a key kindergarten science concept. With this activity your child will learn about wind direction and create a self portrait, too!

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

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.

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.

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

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

Introduce your child to preliminary science concepts by challenging them to do this fun and simple cloud observation activity.

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.

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

Show your child the solar system and let them explore the stars and space by creating a painting. It's a fun and easy way capture your child's imagination.

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

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

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

Who knew that nature could get so crafty? Show your kindergartener how to collect and morph pinecones into a whole team of personalized pinecone people.

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!

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

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.

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

Your kindergartener will have a blast helping you craft these fun, eco-friendly potted place cards.

Use sticks and stones to create create an outdoor version of tic-tac-toe!

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