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

Invigorate your fourth grader's mind by helping him turn his room into a woven masterpiece using various lengths of 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.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

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.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

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.

Create a chunky, textured, tactile giraffe collage that is cute enough to pet! This is a great way to recycle old arts and crafts materials.

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

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

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

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

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

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

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.

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.

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

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