Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.