In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

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

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Create a self-portrait from natural materials in this collage craft activity!

Make a spring collage with your child to get them outside and those creative juices flowing!

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

Kids are sure to be entranced by the magic of the ocean when they create their very own ocean in a bottle.

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!

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.

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

This simple experiment serves as an introduction to the greenhouse effect.

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

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

Help your child make a beautiful homemade sandcastle that will last!

In this activity, your kid has your permission to get his socks nice and filthy. In fact, it's a necessity, because those socks are going to make a garden.

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

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

Help your preschooler craft a homemade wind spinning device--a surefire to make your backyard sparkle, and teach her a bit about weather!

Build a bird feeder science craft that brings birds to your yard, and a smile to the whole family's face.

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

This adventurous art project will send kids on a scavenger hunt for fall materials they can use in their artwork. This craft also teaches kids about seasons.

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

Discover the wonders of simple clay by pressing flowers into a modeling medium!

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

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

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

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

Challenge your young dinosaur lover to examine dinosaur footprints and then create their own dinosaur fossil in this hands-on activity.