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In this science fair project you will make a model of a cell membrane using very simple material.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

How do organic materials become soil? This science experiment measures what materials biodegrade.

Want to reuse materials that would otherwise get tossed in the trash? Show your third grader how to get crafty with old newspaper and fabric.

Make a homemade doll out of recycled materials, similar to dolls made by pioneer children.

Discover the science behind materials that absorb heat, and materials that don't, by constructing this cork trivet for your dinner table.

A scarecrow Halloween craft featuring recycled materials.

In this activity, learners will discover how to make a basic water filtration system using common materials found around the house or outside.

Celebrate the blooming season with your kid by showing him how to make a magical spring mosaic out of all natural materials!

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

Make your own Matryoshka out of simple craft materials in this easy how-to!

Make beautiful print block art with your kids using recycled materials.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

Thiscuddly stuffed animal is made from just a few materials, including your recycled stockings.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Instead of buying new sunglasses this summer, why not use recycled materials to make some of your own?

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

Using simple materials, children will create a movement card game that the whole family can play together.

Give some of your local ladybugs a warm place to stay for the winter by making a ladybug home with recycled materials.

Create this homemade slinky snake from recycled materials. It can move and slither about like the real thing!

Create a one-of-a-kind lunchbox with your second grader using recycled materials and some down home ingenuity!

Help your second grader craft some lovely, personalized Valentine's Day cards--out of kitchen materials!

Beach bags don't have to be bought...make your own beach bag out of recycled materials in this summer craft.

This homemade pom-pom garland requires very few materials and instantly brightens up a room with Easter-themed pastels.

Here's how to create an easy travel checkers board that you are your child can enjoy together using simple materials.

Made entirely out of recycled materials, this handmade decoration is a great way to spruce up a dresser, bookshelf, or the living room mantle.

Recycle old materials to create a fun, brain-teasing maze toy that also strengthens your child's math reasoning skills.