3/13/09
Post date: Mar 16, 2009 2:2:8 PM
Bell Ringer: None, turn in folders
Notes on efficiency
Ratio of how much energy gets to the form we want it in
Usually expressed as a percent
Notes on Energy flow diagrams
Visual way to show the path of energy
Diagrams ALWAYS branch out because there are no 100% efficient processes
Diagrams can always be traced back to energy from the sun
Homework: Make an energy flow diagram for Tom Hanks making fire in the the movie "Cast Away"