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Most reports indicate that nearly 100 billion pounds of plastic are produced in the United States each year. They are found in everything from the packaging of food and beverages to furniture, toys; medical devices, building products, electrical wiring and vehicles. Mention is made to their durability and effects on the environment as well as the consequences that two of the compounds found in plastics: Diethylhexylphtalate (DEHP) and bisphenol A (BPA) have on normal endocrine systems in different species of animals. A number of animal case studies are presented here along with the substantiating findings that point to the deleterious effects that the aforementioned compounds have had on them. This short analysis is designed to create awareness in teachers in the hope that the information will reach their students and their parents. Perhaps together we will be able to assist in finding ways to combat the growing threat to the earth's biota.
- Cindy Woolery (J. H Gunn., Charlotte, NC)
Subject taught: k-5 Science
Thanks so much for sharing this unit with me! I enjoyed reading it and will use some of the ideas from the unit with my students.
Number 16 of the periodical On Common Ground
Fourteenth Annual Conference
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