Ball-and-Stick Models

For the first lesson of Chapter 7, students applied the 3-dimensional ball-and-stick model to bridge the concepts of molecular shape, functional groups, and smell.  The Lesson 36 PowerPoint introduced students to the model, during which time they passed around actual models constructed with molecular modeling kits.  Next, students transitioned to the activity portion of the lesson, experiencing the scents of five different compounds, connecting the smells to molecular structure, and recording observations and analysis responses in the Lesson 36 Worksheet.


  • Read Lesson 36 in the textbook.  Login via and enter your username and password:
    • Username: wahps****s-####### (**** = first 4 letters of your last name and ####### = student number).  Remember to include the dash between s and #.
    • Password: S-####### (the S must be capitalized)
  • Write notes for Lesson 36 on the Chapter 7 Notes handout.
  • Work through the practice problems at the end of Lesson 36.
  • Please ask questions about anything from Lesson 36 you do not yet fully understand.

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