DDichloro-ichloro-DDiphenyl-iphenyl-TTrichloroethanerichloroethane

AP Chemistry | Period 5 | May 28, 3008Bryan Changala, Jonathan Colton, Richard Hsu, Eddie Huang, Tiffany

Zhou

What went wrong with …

DID YOU KNOW …DID YOU KNOW …• First chlorinated organic insecticide.• Originally prepared in 1873.

• Paul Müller• Effective insecticide

http://www.nobelprize.org

TICKLE YOUR BRAIN …TICKLE YOUR BRAIN …

GET IT STRAIGHT …GET IT STRAIGHT …

http://www.sxc.hu/photo/1004251

http://www.flickr.com/photos/karlequin/282431220/

http://www.sxc.hu/photo/973358

BUT THERE’S MORE …BUT THERE’S MORE …

http://www.sxc.hu/photo/975104

0.025mg8 years

236 mg/Kg40,000 tons675,000 tons

1972

CRUNCH TIME …CRUNCH TIME …

CHEMISTRYCHEMISTRY

Impact on Society – The Impact on Society – The GoodGood

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Kills many aquatic life

Kills almost all insects

Thin egg shellsfor bird species

What went wrong …What went wrong …

http://www.flickr.com/photos/karlequin/282431220/http://www.photozo.com/album/data/7321/raw_egg_edit_1_resize.jpg

http://www.krstarica.com/slike/magazin/film_muzika/opet_nemo.jpg

THAT IS DDTTHAT IS DDT

http://www.sxc.hu/photo/968311 http://www.sxc.hu/photo/637790

INTERVIEW WITH MR. INTERVIEW WITH MR. TUPPERTUPPER

Karl Tupper, Staff Scientist PANNA Organization

“2 Arenas: Agriculture and

Insecticides”

20 YEARS20 YEARS

http://www.sxc.hu/photo/910914

http://www.roadjunky.com/images/516.jpg

TRES PREGUNTASTRES PREGUNTAS

1. Name 4 effects of DDT on society (2 good, 2 bad).

2. What causes DDT to be so fat soluble?

3. After the information we've given you, what are your predictions for the future?