|pill bug photo: teacher.vbsd / fish photo: toledonative365|
3 bottle construction - Scribbit: Motherhood in Alaska. Also check out Cranberry Corner.
Visit Annenberg Learner for activities to go along with your eco-column!
2 bottle construction - Legacy Owensboro
1 bottle - The Geo Exchange
Visit Bottle Biology for more ideas!
Check out NFBWA to see how to make a compost column!