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Seeing with sound


Engineering /Science


How bats and dolphins use ultrasound to find their prey by echolocation. The use of sound to image the seabed and wrecks will then be demonstrated. Finally the use of ultrasound to scan the human body will be illustrated, with examples of baby scans and Doppler ultrasound.

Why is this important?

Ultrasound gives us a way of seeing things where light doesn’t penetrate; the systems don’t have to use ionising radiation and are relatively inexpensive!

Key descriptors:

Ultrasound, medical imaging

Year groups:

Years 10-13


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