Make your own free website on


THE TASK:   Groups of 2 (or less) will prepare a presentation on one optical device.   The ultimate goal is to answer the question "How Does it Work?"

You will have a several days on the computers to work on this.   YOUR FIRST STEP IS TO SIGN UP for a TOPIC. The Substitute teacher has the sign-up sheet.

  • The eye: normal operation
  • The eye: corrective procedures (such as eye glasses, laser eye surgery, cataract treatment etc)
  • Camera (conventional or digital)
  • Binocular
  • Telescope
  • Holograms
  • Lasers
  • Night Vision Goggles
  • Cathode Ray Tubes (conventional TV or computer monitor)
  • Flat Screen TVs
  • Projector
  • Fibre optics
  • other optical device or technology

  • #1.     PowerPoint Presentation
    Your PowerPoint should answer the question: "How does it work?"     Include the following information on it:
  • Structure/construction of device
  • Sketch showing path of light through device.
  • How does it work? (in considerable detail, referring specifically to properties of light such as reflection, refraction, or critical angle)
  • Problems, special features or latest developments of the device.

  • #2: A worksheet sheet on your presentation which will be photocopied and handed out to the class to work on. You must have the answers availalble. This might include:
    -crossword puzzle, generated with a free online crossword puzzle maker -wordsearch -a drawing the device which the students have to label the blanks provided for the different parts -questions to be used as a quiz

    #3: A video clip from online sources to show to the class, of the device in use. You may have to find the link outside of the school since students cannot access YouTube at school. There are some excellent video clips of high vision goggles or lasers, for example.

    The group has the option of using some creative or performance element such as a puppet show, mock news report, interpretive dance, Flash animation cartoon, limerick, poem, or skit to add to their presentation..   This might last about 1 - 4 minutes and is expected to involve some simple props or costumes.