12405156
Description
Quiz by Ronnie Barter, updated more than 1 year ago
|
Created by Ronnie Barter
over 6 years ago
|
|
Question 1
Question
Seismic waves are used to map the earth's structure.
Answer
- True
- False
Question 2
Question
What is slab-pull?
Answer
-
The mid-ocean ridge pulling plates together.
-
Newly formed plates becoming denser and thicker at a mid-ocean ridge, causing the mantle to sink under its own weight.
-
Slabs of rock being pulled side to side as an S wave moves them horizontally, causing scarring to the land, and massive erosion.
Question 3
Question
Approximately every 400,000 years the magnetic fields of the earth change direction, resulting in the north pole and the south pole swapping.
Answer
- True
- False
Question 4
Question
As seafloor spreading produces new crust, what occurs to the excess crust left behind?
Answer
-
It is left on the earth, causing gradual growth over thousands of years.
-
It is weathered by biological matter, or eroded by water.
-
It is subducted, melting in an area known as the subduction zone.
-
It is mined for resources, farmed like fruits or vegetables.
Question 5
Question
Plate boundary collision/contact is the only reason a Volcano may occur.
Answer
- True
- False
Want to create your own Quizzes for free with GoConqr? Learn more.