Plate Tectonics & Contintental Drift

Question 1

Exists beneath the litoshpere

Answer 1

Asthenosphere

Question 2

Give Wegener’s Evidence

Answer 2

• Fit of South America and Africa
• Fossils Match across the seas
• Rock types and structures match

Question 3

Some active volcanoes are not associated with plate boundaries and most pf them are called?

Answer 3

Intra-plate

Question 5

All major interactions among plates occur here

Answer 5

Plate Boundary

Question 6

Pangaea

Answer 6

It is a supercontinent that began breaking apart 200 million years ago

Question 7

Plate boundary volcanoes

Answer 7

Most of the world’s most active volcanoes are located near or along plate boundaries and they are called plate boundaries

Question 8

The superocean is also reffered as?

Answer 8

Paleo-Pacific or Proto-Pacific

Question 9

What was the main objection to Wegener’s proposal?

Answer 9

Its inability to provide a mechanism

Question 9

Associated with earth’s outer rigid shell

Answer 9

Plate Tectonics

Question 11

Located in the Northern Hemisphere

Answer 11

Laurasia

Question 12

Ring of Fire

Answer 12

The area of pacific ocean basin are dotted by many active volcanoes forming a ring of fire

Question 14

Evidences of Plate Tectonics

Answer 14

1. Fossil Distribution
2. Coastline Matching
3. Paleomagnetism

Question 15

Located in the Southern Hemisphere

Answer 15

Gondwana

Question 16

Superocean that surrounded Pangaea

Answer 16

Panthalassa

Question 17

Who proposed the Continental Drift?

Answer 17

Alfred Wegener

Question 18

Seafloor Spreading

Answer 18

It occur at the mid-ocean ridges where new oceanic crust or ocean floor is formed through volcanic activity or the rising of magma from the mantle and the old ocean floor gradually moves away from the ride

Question 19

Lithosphere

Answer 19

Consists of Several Plates moving slowly

Question 19

Who proposed the Seafloor Spreading Theory?

Answer 19

Harry H. Hess in 1960