Ultrasound + infrasound

Question 1

What frequencies is ultrasound

Answer 1

sounds above 20,000hz

Question 2

Name 2 uses of ultrasound

Answer 2

-sonar equipment
-ultrasound scans

Question 3

Describe how ultrasound scans work

Answer 3

-gel used to stop ultrasound reflecting from skin
-probe emits and receives waves
-sound reflected when waves pass through dif medium

Question 4

What is infrasound

Answer 4

shounds w frequencies less than 20hZ

Question 5

What do earthquakes produce

Answer 5

seismic waves

Question 6

what are the 2 ways earthquakes can travel through the earth

Answer 6

-P waves
-S waves

Question 7

What type of waves do P waves travel as

Answer 7

longitudinal waves

Question 8

What type of waves do S waves travel as

Answer 8

transverse waves

Question 9

How are seismic waved detected

Answer 9

seismometers

Question 10

Describe longitudinal waved when passing through the earth

Answer 10

transmitted through solids, liquid, gases

Question 11

Describe transverse waves when passing through the earth

Answer 11

transmitted through solids