This assignment can be used to replace your second lowest quiz score. It contains two parts. The first part is a "take home" assignment that involves looking at some information on the Web and answering a few questions given below. The second part will involve an "in-class" assignment or a short quiz on Wednesday, May 3, which will cover things commonly shown talked about on "The Weather Channel" (i.e., cold fronts, warm fronts, middle-latitude cyclones and the jet stream). The material for the "in-class" assignment will be covered in lecture on Monday.

Part I: Take home assignment to be turned in on Wednesday, May 3.
1. What is the "greenhouse effect" and what is "global warming?" You might want to look at http://www.ems.psu.edu/%7Efraser/Bad/BadGreenhouse.html before you answer this question.

Look at the Mr. Lin's full presentation and answer the two questions below.
PowerPoint Version
For a free Power Point Viewer try http://officeupdate.microsoft.com/Articles/viewerscvt.htm
HTML Version: This option will allow you to look at just the text portion also.
2. How does increasing CO2 levels affect plant growth? Are all plants affected the same?
3. Is the observed increase in the concentration of atmospheric CO2 agreed with estimates made by scientists? If not, what might be the reason for disagreement?