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

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

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

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

Encourage your child to jump into sea creature science by creating her own colorful "socktopus" sculpture.

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

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.

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

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

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.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

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

Have your child make a special mobile inspired by the weather outside. Learn about seasons, the environment, and art in 3D.

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.

Got a young scientist at home? Try this project with him!Create your own molecule design with this home-made clay recipe and some toothpicks!

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