The Tectonic Plate Theory

Question 1

What are the major plates on Earth?

Accepted Answer

North America,Eurasia,South America,Africa,Indo-Astrailia,Pacific,Antartic

Question 2

What boundary type is it when the plates crash into eachother?

Accepted Answer

Convergent (continent-continent)

Question 3

During the 1950's scientists discovered_____ in the ocean that helped back up the plate tectonic theory?

Accepted Answer

New ocean floors created in mid-ocean ridges

Question 4

Earthquakes, volcanoes, and mountain ranges are example of ____?

Accepted Answer

Evidence for the tectonic plate theory

Question 5

Hydrothermal vents are created because of which boundary type?

Accepted Answer

Divergent

Question 6

Which one is less dense, Oceanic or Continental crust?

Accepted Answer

Continental crust

Question 7

Oceanic crust is more dense than Continental crust, which means it is more_____?

Accepted Answer

Heavier

Question 8

What type of scientist was Alfred Weneger?

Accepted Answer

Meteorologist: who studies weather

Question 9

What is one main piece of evidence for the Tectonic Plate Theory?

Accepted Answer

The same type of fossils were found oceans apart

Question 10

What did Alfred Weneger discover about the continents that helped support his theory?

Accepted Answer

He discovered the puzzle like fit of the continents

Question 11

At mid ocean ridges new oceanic crust is being formed every day which means, oceanic crust is _____?

Accepted Answer

Younger

Question 12

What did Alfred Weneger call his discovery?

Accepted Answer

Continental Drift

Question 13

The plates moving apart creating mid ocean ridges and rift valleys is an example of which boundary type?

Accepted Answer

Divergent

Question 14

Which boundary type creates mountain ranges like the Himalayan mountains and earthquakes?

Accepted Answer

Convergent (continent-continent)

Question 15

Transform boundaries are when two plates slide across eachother, what natural diasters are found there?

Accepted Answer

Earthquakes

Question 16

Which one is more dense, Oceanic or Continental crust?

Accepted Answer

Oceanic crust

Question 17

What did Alfred Wegener a scientist, discover?

Accepted Answer

He was the first person to present the theory of tectonic plate movement

Question 18

What is the Ring of Fire?

Accepted Answer

A string of volcanoes and where most earthquakes occur

Question 19

What is it called when a dense plate goes beneath a less dense plate and goes back into the mantle?

Accepted Answer

Subduction Zones

Question 20

What did Alfred Weneger call the huge continent he discovered when all the continents were together?

Accepted Answer

Pangea

Question 21

On which major plate is the Ring of Fire located on?

Accepted Answer

Pacific Plate

Question 22

How many major plates are there on Earth?

Accepted Answer

Seven

Question 23

What features and natural disasters are caused by the boundary type Convergent (subduction) ocean-continent?

Accepted Answer

Ocean trenches, earthquakes, and volcanoes

Question 24

In the boundary type Convergent (subduction) ocean-continent, what is the direction of the plate movement?

Accepted Answer

Oceanic plate sinks beneath the continent plate

Question 25

Which crust sinks beneath another, Oceanic or Continental crust?

Accepted Answer

Oceanic crust

The Tectonic Plate Theory

Questions 25

The Tectonic Plate Theory

Questions 25