Light Energy

After discussing the handout from Cosmos: Hiding in the Light, we transitioned to an exploration of the properties of light as a wave.  Class notes are posted below.  For the lesson, students were assigned to read Lesson 113: Light Energy in the textbook, then answer the exercise questions at the end of the lesson.  Answers to the questions will be turned in as an assignment.

Notes from class:



Keep Learning!

Continue exploring the electromagnetic spectrum with NASA’s Astronomer’s Toolbox.


  • Read Lesson 113 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)
  • Work through the practice problems at the end of Lesson 113.
  • Please ask questions about anything from Lesson 113 you do not yet fully understand.

Opportunities For Help Outside of Class:

  1. Mr. Swart’s office hours: Mondays, Tuesdays, and Thursdays after school until at least 3:00 (later with advanced notice)
  2. Use the vast number of resources available on this website – check each lesson!
  3. Email Mr. Swart for help if staying after school is not possible
  4. Form a study group with other students  to review concepts from class
  5. Attend MASH after school (M/T/Th in Library)
  6. Attend Math Lab after school (T/Th in Room 124)

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