Chemistry 105
Chemistry 105

Weekly Discussion Information

Chem 105 Web Site, Fall 2007
Dr. Kimberly Lawler-Sagarin
Elmhurst College

Here you will find the virtual "lecture" notes on the weekly discussion topics as well as your assigned discussion questions for the week.

All discussions will take place on the Blackboard discussion board: http://bb.elmhurst.edu

  • Discussion 1 (August 27 - September 2): Introductions and what is light?

  • Discussion 2 (September 3 - September 9): Why is the sky blue?

  • Discussion 3 (September 10 - September 16): How do rainbows form? Why are fireworks so colorful?

  • Discussion 4 (September 17 - September 23): How do neon lights work?

  • Discussion 5 (September 24 - October 7): What are the Northern Lights? What is a Chemical Reaction? How are Molecules Shaped?

  • Discussion 6 (October 7 - October 13): What is the Solid State? What are Pigments?

  • Discussion 7 (October 14 - October 21): What are paints made of? How are frescos made?

  • Discussion 8 (October 22 - October 28): Why are rubies red and sapphires blue?

  • Discussion 9 (October 29 - November 11):How do semiconductors work? What makes metals shiny? How do LEDs work?

  • Discussion 10 (November 12 - November 18): What makes blue jeans blue?

  • Discussion 11 (November 19 - December 2): What causes autumn colors? What makes fireflies glow?

  • Discussion 12 (December 3 - December 15): How do fluorescent and glow-in-the-dark dyes work?

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© K. Lawler-Sagarin, 2003-2007