Free Unit Study: Composting

My web guy just uploaded this free unit study to my website:

Composting: A Science Unit Study
Composting can be a wonderful addition to your science studies, in a very natural and fun way. This unit gives you all the resources you'll need, whether you live in the city or the country.

This unit study first appeared in Heart & Mind.

I have other free unit studies at the website. Just click on Downloads.