409 TASK: Electromagnetic Waves

In your assigned groups create a mini presentation on your assigned em wave to share during tomorrow’s lesson.

Group 1: Radio Waves & Microwaves

Group 2: Infrared (IR)

Group 3: Visible light

Group 4: Ultra-violet (UV)

Group 5: X-rays & Gamma Rays

 

Some questions to consider:

  1. How are the waves made/ created? (in nature and man-made)
  2. How are they detected?
  3. What are the typical wavelength and frequency of these waves.
  4. What are some typical uses /applications of these waves?
  5. Are there any dangers from exposure to these waves? How can risk be reduced?

Each group should create a presentation to share during tomorrow’s lesson:

    • Use diagrams/ photos/ images

    • Include real-life examples

    • Explain dangers clearly

    • Keep slides clear (not too wordy)

    • Speak clearly for 2–3 minutes