Friday, February 22, 2008

• Instead of our regular class meeting today, complete the special assignment described below.

Assignments:

• Special assignment:  Answer the following questions and submit by Monday.
• Chapter 7 Conceptual Exercises:  16, 22, 30, 44;  Problems: 4, 8, 12, 14.
• Explain why leaving the door to a refrigerator open will not cool down a room.
• Submit your three topic ideas for the physics Web Project.
• Answer the recommended conceptual exercises and problems for Chapter 8, and check your understanding by looking at the answers in the back of the textbook.
• Extra Credit
• Lunar eclipse - If you observed the lunar eclipse on Wednesday night, describe the experience and explain what insights you learned.
• Spy satellite - Late Wednesday, The U.S. Navy used a missile launched from a ship in the Pacific Ocean to shoot down a defective spy satellite that posed a safety threat.  Use your scientific reasoning skills to critique this mission intended to protect human life.  Find at least three instances of "bad physics" or misleading information that was conveyed in these or other media reports:  NPR, IHT, Aljazeera