4.6.1 Waves in air, fluids and solids (will come up) 2 P2

Question 1

What natural event causes seismic waves to be produced and what does it produce

Answer 1

Earthquakes
P-waves
S-waves

Question 2

A difference between the mediums that P-waves and S-waves can travel through

Answer 2

P-waves travel through both solids and liquids

S-waves only travel through solids

Question 3

What technique is used to detect objects in deep water and measure water depth

Answer 3

Echo sounding
High frequency sound waves are emitted, reflected and detected
Time difference between emission and detection, alongside wave speed, are used to calculate distances