Test 1 (Lectures 1-3) pt.2

Question 1

What are the cardinal directions?

Answer 1

North, South, East, and West

Question 2

What do magnetic needles do?

Answer 2

We can predict where certain rocks were at a certain time

Question 3

What do magnetometers do?

Answer 3

They can map out pole reversals

Question 4

There are ____ major plates

Answer 4

12

Question 5

In passive regions, tectonic activity is not very _____

Answer 5

Active

Question 6

What are the 3 types of plate boundaries?

Answer 6

Divergent, convergent, and transform

Question 7

When two plates move past each other they are called ____

Answer 7

Divergent boundaries

Question 8

When plates move toward each other they are called _____

Answer 8

Convergent boundaries

Question 9

When plates slide past each other they are called ____

Answer 9

Transform boundaries

Question 10

What boundary is the San Andreas fault?

Answer 10

Transform

Question 11

_____ is the process of one plate moving under the other

Answer 11

Subduction

Question 12

What causes one plate to move under the other?

Answer 12

When one plate is denser than the other it causes the plates to move under the other

Question 13

What is the Wilson cycle?

Answer 13

The process of closing, opening, and closing up ocean basins

Question 14

Where are the youngest rocks found in an ocean basin?

Answer 14

It’s the rocks that are the closest to the ocean basin

Question 15

Where are the oldest rocks found in an ocean basin?

Answer 15

It’s the rocks that are the farthest away from the ocean basin

Question 16

What causes a continent to drift apart?

Answer 16

The spreading of the ocean floor (rifting)

Question 17

What is the epicenter?

Answer 17

The location of the surface where the earthquake has taken place

Question 18

The deepest part of the ocean is…

Answer 18

Mariana’s trench

Question 19

What following 5 conditions must be met in order to be classified as a mineral?

Answer 19

1. Be naturally occurring
2. Generally Inorganic (i.e. non-biologically produced)
3. Solid
4. Have a definable chemical composition composed of one or more elements
5. The individual atoms have an orderly arrangement in a crystalline structure

Question 20

Where is the largest copper mine found in the US?

Answer 20

Utah

Question 21

What mineral is known as table salt?

Answer 21

Halite

Question 22

When does solidification occur?

Answer 22

When molten rocks such as lava, cools and different minerals grow in succession

Question 23

Our teeth is made up of _____

Answer 23

Apatite