Ultrasound and seismic waves
Using echoes of ultrasound to scan bodies and measure depths, and what P-waves and S-waves reveal about the inside of the Earth.
You will be able to
- Calculate a depth or thickness from an echo time
- Explain medical and industrial uses of ultrasound
- Explain how P-waves and S-waves give evidence for the Earth's core
25 minutes, 8 exam-style questions.