In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

2nd graders with some weaving experience can turn a gallon milk jug and plastic grocery bags into a functional basket.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Spark your kids' interest in writing by helping them write a mini-book about their favorite subject: themselves!

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

Recycle bottles of different shapes and sizes to create a group of unique dolls that are as unique as the real people around you!

Recycle an old soda bottle into a beautiful, functional soap dish! In this project your child will practice saving the environment in a proactive way.

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

Delight your child by helping them to construct a boat that can hold two seaworthy toy figures in this engaging project made from upcycled water bottles.

Children will learn about diversity, hear a story that reflects appreciation and acceptance of differences, and connect with a pen pal in another country through writing and drawing a letter.

Looking for something to do with all those plastic 2-liter bottles that seem to accumulate endlessly? Turn them into a unique mini birdbath.

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

If you're trying to teach your child about waste and its impact on the environment, why not repurpose a plastic milk jug and make your own sandwich container?

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Re-use old plastic food containers to create these uniquely beautiful stepping stones to embed in your backyard!

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

Repurpose those plastic shopping bags hiding in your house into a fun and exciting decoration your child can hang in her room!

Using an empty plastic bottle, your child can create a newfangled version of this African percussion instrument.

Teach your child the meaning of recycle and reuse by repurposing plastic spoons as plant markers for your vegetable garden.

In this activity, your child will have an opportunity to discuss what they like about themselves, and they will design a digital or physical poster that displays their talents, what they like, and images that describe themselves.

Who said snow globes have to be round and made of glass? Here’s our take on this holiday favorite, using paper and plastic.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

Learn all about colors with the best teachers of all -- cupcakes!

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

How clean is the air we breathe? The answer might surprise you. Learn how to investigate local air quality with this cool science fair project.

Help cement the concept of place value with this simple activity that involves creating a set of dials made from Styrofoam cups.