Alfred wegener

Question 1

Who in 1911 was finishing his hypothesis and was a meteorologist?

Answer 1

Alfred Wegener

Question 2

What did Alfred Wegener propose?

Answer 2

That land bridges had once connected the major continents.

Question 3

What is continental drift?

Answer 3

A hypothesis where the continents had once been one or more large landmasses that had separated and moved apart.

Question 4

In 1630 who noted similarities of the coastlines of Africa and South America?

Answer 4

Sir Francis Bacon

Question 5

In 1658 who agreed with bacon and proposed that they were “separated in the biblical flood”?

Answer 5

Francois Placet(french)

Question 6

Mid-1800’s who figured out that there were similar fossil plants in coal beds of Europe and North America. Reconstructed a ‘supercontinent’

Answer 6

AntoniO snider-pelligrini

Question 7

In 1857 who made a book called “The origin of the alps” and stated that the activities on the lithosphere produced mountain ranges by folding and pushing.

Answer 7

Edward Suess

Question 8

In 1908 something about correlation of global mountain chains.

Answer 8

Taylor & Baker

Question 9

Named his original supercontinent pangea which is all earth but later fragmented to what?

Answer 9

Two landmasses, Laurasia and Gondwana

Question 10

After all the research what could Alfred not do?

Answer 10

He could not explain how,when, or why these changes occured and others couldn’t help cause they didn’t know either

Question 11

What is a Lystrosaurus?

Answer 11

It is a small, doglike, reptile, who lived about 200 million years ago. Bones and teeth in south africa. And skeleton in antartica.

Question 12

What is a Glossopter’s?

Answer 12

A fern that grow in tropical conditions. And the continents were connected by land bridges no evidence could be found.

Question 13

Climate: what is found on 5 continents and in tropical swamps?

Answer 13

Glacial deposits

Question 14

Rocks: what ended abruptly at the edges of coninents and smed to continue on other continents.

Answer 14

Rock structures

Question 15

What is paleomagnetism?

Answer 15

It is the study of magnetism in ancient rocks

Question 16

What do rocks contain that thwn become magnetic when the rock is formed

Answer 16

Iron-bearing

Question 17

Scientist collected data of rock layers and plotted the data points of the different ages of the rocks on a map and the north pole appeared to have moved over time what is this called?

Answer 17

Polar wandering

Question 18

If you rotated north america to be beside europe then what would the poles be

Answer 18

They would be lined up

Question 19

In 1953 oceanographers could make what

Answer 19

A usable map of the ocean floor

Question 19

In 1953 oceanographers could make what

Answer 19

A usable map of the ocean floor

Question 20

In 1969 what bEcame an iol platform converted into a ship

Answer 20

Glomar challenger

Question 20

Where the younridgesrock found?

Answer 20

The mid ocean ridge

Question 21

Where are the oldest rocka found

Answer 21

By trenches

Question 22

What are the oldest rocks on the floor of the sea

Answer 22

200 million years old

Question 23

Continental rock is how many years old

Answer 23

3 billion

Question 24

What are plates

Answer 24

Rigid blocks of earths crust and upper mantle that is the lithosphere

Question 25

Where can oceanic crust be found

Answer 25

It can be found at the rift zone(rift valley, mid ocean ridge) while continental crust stays constant

Question 26

Name almost all the nine plates

Answer 26

North american, south american, Eurasian, Pacific, Arabian, Indian-Austrailian, antarctic, Nazca, african plate

Question 27

What are divergent boudaries

Answer 27

They are pulling apart occur in the mid ocean ridge Also called this sea floor spreading. Can occur on land like the great rift valley and spread and fill like red sea

Question 28

Shat is a transform fault?

Answer 28

Plates slide past each other i opposite directions or in the same at different speeds

Question 29

What are convergent boundaries?

Answer 29

Occur Two plates collide

Question 30

Review vocab

Answer 30

Subduction- plate goes under other. Trench-ocean floor that suddenly drops off or deep ocean

Question 31

Oceanic-oceanic

Answer 31

Has an island arc

Question 32

Oceanic-Continental

Answer 32

Oceanic crust more dense that the other also a volcanic mountain

Question 33

Continental-continental

Answer 33

Folded mountains

Question 34

In 1968 who charted thw epicenters

Answer 34

Seismologists. Focus is where the earhquake actually is building

Question 35

What is shallow- focus

Answer 35

It is produced at the outer edge of the trenches 100km. Convergent boundaries some transform and mid ocean ridges

Question 36

Deep-focus Earthquakes

Answer 36

Deep subduction. Few occur deeper than 700km