Landfill Estimation Estimate the difference of mass of plastic bags and paper sacks when tossed in the landfill. Calculate for a household per year, and for an entire city per year. Ecology Time Capsule Try testing the biodegradability of plastic bags over several months. Bury outdoors and dig up before school lets out for the summer. Guessing Game Put small items in a bag and tie shut.
Students guess contents by feel only.
Tie shut with ribbon. Nature Study Bags are handy to send home with each student to bring leaves, seeds, plants or anything else you might need for science projects. Clean Up Keep on hand as containers for wet clothes, leaky lunches or other messes in the classroom. A bag easily folds and fits in a pocket on field trips as an emergency cover for a cell phone, pager or camera. Use two as shoe coverings.