StudentLecture_16

StudentLecture_16 - Lecture 16 10/22/2009 Lab next week:...

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Lecture 16 10/22/2009 Lab next week: Where’s the Iron, CH 7, an opportunity to apply your knowledge of spectrophotometry Reading in RA – LO on Blackboard HW as usual Exam 2: 6:30 PM (earlier than the last exam) Monday, October 26 , same seats as before (on Blackboard in “My Grades”), arrive 15 min. early with pencils, simple calculator. Topics: Reading Assignments and Learning Objectives for Lectures 7 - 14 on Blackboard. Any additional material in Lectures 7 - 14. Labs in Chapters 3, 4, 5.
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Hanging onto glass, the gecko’s party piece. Scientific American, June 19, 2000
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Two million densely packed, fine hairs, or "setae", on each toe. The end of each seta is further subdivided into hundreds to thousands of structures called spatulae. The stickiness of the gecko is attributed to _____________________. These forces come into play because the gecko foot hairs get so close to the surface. A billion spatulae to come into intimate contact with the surface, combining to create a strong adhesive force.
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StudentLecture_16 - Lecture 16 10/22/2009 Lab next week:...

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