Solar energy reaching the earth is about 1350 W/m2 outside the earths atmosphere, and 950 W/m2 on earths surface normal to the sun on a clear day. Someone is marketing 2 m 3 3 m photovoltaic cell panels with the claim that a single panel can meet the electricity needs of a house. How do you evaluate this claim? Photovoltaic cells have a conversion efficiency of about 15 percent.
11/10/16 Midterm o 50 multiple choice questions o Lecture outlines o TEDx talks o Critique sheets “What’s in this section” “What’s the difference between different presentation sheets” “What do you do in a persuasive speech that you don’t need to do in an informational presentation” (mental dialogue) o Group presentation forms Symposium Panel Forum Know the difference between them Know which form we used as a class o Propaganda techniques o Present Yourself! Textbook The Secrets of Great TEDx Talks o Ideas