Plate Tectonics and Seafloor spreading

Question 1

What causes earthquakes?

Accepted Answer

When two plates move against each other, When rock suddenly breaks along the fault

Question 2

Who discovered Continental Drift?

Accepted Answer

Alfred Wegener

Question 3

What type of Plate Boundary Is This?

Accepted Answer

Convergent

Question 4

what causes a tsunami?

Accepted Answer

subducting plates, earthquakes

Question 5

What is a fault?

Accepted Answer

A crack in earths surface

Question 6

Who had the first Idea about Pangea

Accepted Answer

Alfre Wegener

Question 7

Number 11 is ....

Accepted Answer

Austrialian Plate

Question 8

Where do most earthquakes and volcanoes occur?

Accepted Answer

the ring of fire

Question 9

Which instrument measures waves created by earthquakes?

Accepted Answer

seismograph

Question 10

What was the name of Alfred Wegener's Book?

Accepted Answer

The Origin of Continents and Oceans

Question 11

Which type of crust is more dense?

Accepted Answer

oceanic

Question 12

What type of stress pulls Earth's crust apart?

Accepted Answer

Tension

Question 13

What type of Plate Boundary is this?

Accepted Answer

Transform

Question 14

Number 1 on the Map is....

Accepted Answer

North American Plate

Question 15

What are the three types of stresses on rocks

Accepted Answer

Compression, Tension, and shearing

Question 16

The two types of crust are

Accepted Answer

continental, oceanic

Question 17

This man came up with Seafloor spreading during WWll

Accepted Answer

Henry Hess

Question 18

Where are earthquakes most common?

Accepted Answer

Plate Boundaries

Question 19

Richter Scale

Accepted Answer

A scale, 1-10, for indicating the intensity of an earthquake

Question 20

What is the epicenter of an earthquake?

Accepted Answer

The location on Earth's surface directly above the focus

Question 21

What is a Earthquake?

Accepted Answer

An Earthquake is sudden ground movement.

Question 22

What type of Plate Boundary is this?

Accepted Answer

Divergent

Question 23

How many types of stresses on Earth's crust are there?

Accepted Answer

3

Question 24

What are the main pieces of evidence that supported the hypothesis of continental drift?

Accepted Answer

Mountain ranges match up across continents, The shapes of the continents fit together like a puzzle, Fossil evidence that spanned multiple land masses

Question 25

What to scientists use to measure earthquakes?

Accepted Answer

Seismograph

Question 26

What is Pangaea

Accepted Answer

Pangaea is the theory of the giant super continent, Pangaea is the theory of the giant land mass

Question 27

What Causes Plate Tectonics?

Accepted Answer

Convection

Plate Tectonics and Seafloor spreading

Questions 27

Plate Tectonics and Seafloor spreading

Questions 27