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.

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.

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

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

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.

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?

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

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.

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

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

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

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

Inspired by colorful African drums and crafted from recyclable materials, these pencil holders will make a bold and charming addition to any desk set.

Help your child use recycled materials, a little imagination and some writing skills to build his very own recycled creature.

Help your child use an old water bottle and a few other household materials to make her own eco-friendly pal!

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Celebrate Earth Day by making colorful animal sculptures using recycled materials from around the house in this 3rd grade arts and crafts activity.

This rainbow collage activity is a great way to practice using different materials to create texture. The completed craft is sure to brighten up any space.

Help your child rocket off for some high-flying fun with a jet pack you make from recycled materials and a few odds and ends.