1. today A bit of review Video (if you don’t have a worksheet, you need one!) –the video will be at the library (“Hurricane Katrina: the storm that drowned a city”) on reserve in media services Exams back on Monday, so far so pretty good (haven’t done any short-answers yet); no perfect score on multiple choice

2. Two clips are: http://learners.gsfc.nasa.gov/mediaviewer /birth_hurr/ http://www.pbs.org/wgbh/nova/scienceno w/3204/02.htmlhttp://www.pbs.org/wgbh/nova/scienceno w/3204/02.html (“Watch the Segment”) Have a look at this -- provides an interesting background to the pre-2005 “mood” in New Orleans

3. Quick review of hurricanes Clickers, please

4. Where do hurricanes originate that affect the East Coast of the US? 1.Eastern Africa 2.The middle of the north Atlantic 3.In the Caribbean 4.In the south Atlantic 1 2 3 4

5. Where are the strongest winds in a hurricane? 1.Near the outer edge 2.In the eye 3.In the eyewall NASA photo

6. Which of these reflects birth/death of a hurricane the best? 1.They need warm water so they die if they cross the equator 2.They need warm water so they die if they hit land 3.They need a mixture of warm water and cool Canadian air, so they die if they veer towards the East Coast

7. Following the track of a hurricane, why is damage greater on the right side? 20 mph 100 mph 1.The wind driving the hurricane adds on to the hurricane’s wind 2.The wind driving the hurricane subtracts from the hurricane’s wind 3.There’s no real relation between which side of the storm you are on and damage