Plate Tectonics

Question 1

What is NOT likely to happen at a divergent boundary?

Accepted Answer

Mountain formation

Question 2

Mid-ocean ridges are places where tectonic plates are doing what?

Accepted Answer

Spreading apart

Question 3

What is the earth's outermost layer?

Accepted Answer

Crust

Question 4

Which of earth's layers is broken into several large tectonic plates?

Accepted Answer

Lithosphere

Question 5

What type of crust is found under the oceans?

Accepted Answer

Oceanic crust

Question 6

What is the earth's only liquid layer?

Accepted Answer

Outer Core

Question 7

Which scientist proposed ideas that led to the development of plate tectonics theory?

Accepted Answer

Alfred Wegener

Question 8

Which of the following geologic events can occur at a transform boundary?

Accepted Answer

Earthquake

Question 9

What leads to the creation of island arcs

Accepted Answer

All of the above

Question 10

When did the supercontinent Pangea start to break up?

Accepted Answer

200 million years ago

Question 11

What is the border between two tectonic plates called?

Accepted Answer

Boundary

Question 12

California's San Andreas fault is identified as which of the following?

Accepted Answer

Strike-slip fault

Question 13

What type of crust is found under the continents?

Accepted Answer

Continental crust

Question 14

Which of these concepts is part of the theory of plate tectonics?

Accepted Answer

Continents are in slow constant motion

Question 15

Which of these statements is correct?

Accepted Answer

Continental crust is thicker than oceanic crust

Question 16

The solid layer of the earth is made of mostly iron and nickel

Accepted Answer

Inner Core

Question 17

What is happening at the subduction zone of the Juan de Fuca and North American Plates?

Accepted Answer

One plate is being pulled under another

Question 18

When did the Himalayan Mountain Range begin to form?

Accepted Answer

40-50 million years ago

Question 19

The tectonic plates float on which semiliquid layer?

Accepted Answer

Asthenosphere

Question 20

Which of these layers is found directly above the earth's core?

Accepted Answer

Mantle

Question 21

Mountain formation can result when which of the following occurs?

Accepted Answer

Two continental plates collide

Questions 21