Age range: 11-14 | 14-16
Duration: 0-29 mins
  • D&T
  • Physics

Making waves

Look at the type of electromagnetic radiation used in different imaging techniques

The use of different types of signals is hugely important in all areas of healthcare. Signal processing engineers are involved in everything from extracting information from the body’s own electrical and chemical signals to using wireless signals to allow search-and-rescue robot swarms to communicate with each other.

Activity info,  teachers’ notes and curriculum links

An engaging starting activity looking at the properties and applications of waves in general, and the electromagnetic spectrum in particular. Students try to work out the type of electromagnetic radiation used in different imaging techniques.

The 'Quiz' handout gives a series of statements pertaining to four different types of radiation, with a list of useful definitions. Students must match the statements with the correct type of radiation.        

The activity sheet includes teacher notes, guidance, useful web links, and links (where appropriate) to the national curriculum in each of the four devolved UK nations; England, Northern Ireland, Scotland and Wales.

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