1. CHESAPEAKE CREATURES AND OIL SPILLS Mathematics & Science Center PRESENTS Photo: NOAA

2. What are some ways that humans have changed the natural environment? Largest spill in U.S. history Exxon Valdez March 24, 1989 11 million gallons of oil spilled = enough to fill 9 school gyms!! Photo: NOAA

3. DENSITY OF OIL Where does it go? Float or sink? Clumps or spreads out?

4. OIL ON THE MOVE Photo: NOAA

5. IMPACTS OF OIL SPILLS What living organisms are affected by oil spills? What are the basic needs of these organisms? Photo: EPA

6. Those most affected… Photo: Office of Response and Restoration / NOAA Photo: U.S. Fish and Wildlife Photo: NOAA Photo:www.nurseminerva.co.uk/adaptf/eathers.htm

7. Environmental Sensitivity Index (ESI)

13. Let’s Practice… Group Type of Organism Number of different species Active Seasons

14. ALERT!!!!  An oil spill occurred on January 15!  The oil spread quickly and reached land within 24 hours.  You must act quickly to save the organisms living in the area!!!

15. Report from the Wildlife Oil Recovery Team Which organisms will be needing assistance from the recovery team? Photo: NOAA

16. CLEANING THE RECOVERED WILDLIFE How can birds from oil spill accidents be helped? Photo: U.S. Fish and Wildlife

18. How do water and oil affect bird feathers?

21. YOUR TURN! What is the best way to clean birds after an oil spill? Photo: U.S. Fish and Wildlife

22. CLEANING METHODS Water Paper Towels Dish Washing Detergent Your hypothesis…

23. FEATHER CLEANLINESS SCALE Rank 1 Oil felt Feather translucent Clumps together Rank 2 Oil felt Not translucent Clumps together Rank 3 No oil felt Not translucent Down clumps together Rank 4 No oil felt Not translucent Entire feather is fluffy OILY FEATHER ------------------------------------------------ WET FEATHER

24. RESULTS Which method would you recommend that the wildlife recovery team use?

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27. Photos courtesy of: U.S Environmental Protection Agency U.S. Fish and Wildlife Office of Response and Restoration, National Ocean Service, National Oceanic and Atmospheric Administration