The Electromagnetic Spectrum
Light, Sound and Waves

Infrared identification

Stories from Physics for 11-14 14-16 IOP RESOURCES

The black and olive American flags that appear on some US military uniforms are covert infrared reflectors that enable friendly soldiers to be identified with night vision goggles.

References

G. Adcock, CCT-The Eye of the Storm: Volume II – The GWOT Years, Bloomington, IN, AuthorHouse, 2012, p. v.

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Thinking About Teaching Collection

Stories from physics - Waves: light, sound and other oscillations

Download the full booklet and explore more stories from physics. Introduction The...

For 11-14 14-16 16-19 86 Resources

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The Electromagnetic Spectrum
Light, Sound and Waves PRACTICAL PHYISCS

Additive colour mixing

Demonstration: Mixing coloured light and observing coloured objects in that light.

Practical Activity 14-16

The Electromagnetic Spectrum
Light, Sound and Waves PRACTICAL PHYISCS

Demonstration spectrum

Demonstration: Class demonstration of a spectrum, and the appearance of coloured objects in coloured light.

Practical Activity 14-16

Misconceptions
RESEARCH REVIEW Light, Sound and Waves

Many students have an understanding of how coloured filters work, some believe they change the nature of the light in some way

  • Number of Resources2
  • Number of References1
  • Number of Diagnostic Resources8
RESEARCH REVIEW

Some students confuse the primary colours taught in art with the primary colours of light

  • Number of Resources2
  • Number of References1
  • Number of Diagnostic Resources4
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