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Ultrasound *suitable for home teaching*

This resource from the Institute of Physics, describes how ultrasound can be used to image the body. The video describes how ultrasound can be used to image a professional footballer's knee to investigate the cause of pain. The teachers' notes contain an introduction to ultra-sound imaging, lesson notes linked to the PowerPoint and a mark scheme for the worksheet. The worksheet contains questions that could be used as a summative test on the topic (10 marks). The presentation has animated slides which show how ultrasound is used in pre-natal scans, and how echo location can be used to build up an image of the foetus. The range of frequencies for audible sound and ultrasound are shown with methods of generation - speakers and piezo-electric crystals, respectively.

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