Grade 8 Visible Light

Content (from CAPS document)

Exam Guidelines

Suggested activities and investigations (from CAPS document)


Visible Light

  • Radiation of light
  • Ray diagrams
  • Propagation in a straight line
  • Speed of 300 000 km/h
  • Transparent, translucent and opaque substances
  • Absorption and reflection of light
  • Refraction of light
  • Spectrum of white light and diffraction of light
  • How do we see light and colour

Use learning activity of characteristics and behaviour of light.

Practical activity on characteristics and behaviour of light: Use ray boxes and work according to instructions. Can be used as formal practical assessment.