Skip to content

Sound, light and vision

Download complete unit ↓(not available yet)

Why this, why now

This unit explores sound and light waves, including frequencies, echoes, reflection, absorption, and the need for a medium for sound to travel. It also compares light and matter waves, investigates light transmission and colour, and examines wave properties and effects.

Prior knowledge requirements

  • Ardaydu waa inay yaqaanaan aasaaska maadada.
  • Ardaydu waa inay awoodaan inay raacaan tilmaamo fudud.
Unit 4 / 5

Sound, light and vision

This unit explores sound and light waves, including frequencies, echoes, reflection, absorption, and the need for a medium for sound to travel. It also compares light and matter waves, investigates light transmission and colour, and examines wave properties and effects.

8 lessons
  1. Travelling vibrations
  2. Shadows
  3. Sound vibrations
  4. How we see things
  5. Travelling sound
  6. Reflecting and absorbing sound
  7. Reflecting light from mirrors
  8. Reflections in mirrors