Earth's structure

Question 1

What is a shadow zone?

Answer 1

Area of the earth from angular distances of 104 to 140 degrees from a given earthquake that does not receive any direct P waves.

Question 2

What are the characteristics of p-waves?

Answer 2

-Travel through solids and liquids.
-4-7km/s.
-Pushes and pulls the rock that it moves through.
-Compressional waves.
-Particles move in same direction as wave.

Question 3

What are the characteristics of s-waves?

Answer 3

-Travel through solids only.
-2-5km/s.
-Conclude that outer core is liquid.
-Move particles up and down/side-to-side= perpendicular.