Seismic Waves

Question 1

How are seismic waves created?

Answer 1

Volcanic eruption and/or earthquakes

Question 2

How can you measure seismic waves?

Answer 2

Seismometers

Question 3

What do scientists measure when looking at seismic waves to deduce the structure of the Earth?

Answer 3

-Time to travel the Earth’s surface
Or
-Where the seismic waves don’t reach

Question 4

What are the two types of Seismic Wave

Answer 4

P Wave and S Wave (Primary and Secondary)

Question 5

What are some qualities of P Waves?

Answer 5

-Longitudinal
-Travel through solid and liquids
-Refracts when it hits the cores

Question 6

What are some qualities of S Waves?

Answer 6

-Transverse
-Can only travel through solids (not liquids)
-Refracts away from the core (doesn’t pass through it as it’s a liquid)