Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

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

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

This plaster fossil activity is a fun supplement to preschool science. Use plaster to make imprints of your child's handprints, footprints and other objects!

Invite your kindergarten marine biologist to practice in scientific identification and categorization while creating a lovely treasure box.

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

Children are imaginative story-builders. Create a shoebox habitat with your child to put those budding creative instincts to good use.

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

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

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

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

This second grade arts and crafts activity is all about caterpillars emerging from their cocoons as butterflies.

In this hands-on activity, kids learn what it takes to foster seedlings into full-grown plants, all in a regular old soda bottle!

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

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

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

Grow these wheatgrass and alfalfa friends and watch their hair spring up in just a couple days!

Teach your child about recycling and gardening as she re-uses an empty plastic milk gallon jug to craft a swan-shaped plant container!

Make "fossils" with your child to hide in the sandbox or at the park or the beach, to help your child explore his archaeological side.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

Help your kids fall in love with nature by making a simple clay bird bath. Set it up in your yard and watch the animals venture in for a sip of water.