Plate tectonics v.2

Question 1

Fossil evidence that supported Wegener's idea of continental drift included

Accepted Answer

land-dwelling plants

Question 2

Where is the largest mid ocean ridge located?

Accepted Answer

In the Atlantic

Question 3

Which order a. sea-floor spreading, b. plate tectonics, c. continental drift

Accepted Answer

c, a, b

Question 4

Based on obervations of fossils of Glossopteris Wegener concluded that

Accepted Answer

that had these rocks had once been joined.

Question 5

Fossils of aquatic reptiles found in freshwater rocks suggested to Wegener that these reptiles

Accepted Answer

probably did not cross the oceans

Question 6

During sea floor spreading...

Accepted Answer

first magma is forced upward toward the crust.

Question 7

Which feature is associated with a continental-continental boundary?

Accepted Answer

a mountain range

Question 8

Oceanic crust is made mostly of

Accepted Answer

basalt

Question 9

To support his hypothesis of continental drift, A. Wegener did NOT use

Accepted Answer

magnetic field data

Question 10

Coal beds in Antarctica indicated to Wegener that this continent was

Accepted Answer

once located closer to the equator

Question 11

Early mapmakers thought continents might have moved based on their observations of

Accepted Answer

matching coastlines

Question 12

Hawaii and Yellowstone Park are both...

Accepted Answer

Hotspots

Question 13

Lines of equal geologic age found on either side of an ocean ridge

Accepted Answer

isochrons

Question 14

Pangaea was an ancient super continent made up of

Accepted Answer

all of the continents.

Question 15

At which boundary do plates slide past one another?

Accepted Answer

transform

Questions 15