Plate Tectonics

Question 1

This German scientist first proposed the idea that continents were once a single landmass.

Accepted Answer

Alfred Wegener

Question 2

What type of plate boundary is this?

Accepted Answer

ocean-ocean convergent

Question 3

What type of plate boundary is this?

Accepted Answer

ocean-continent convergent

Question 4

What is a common geologic feature that occurs at an ocean-continent convergent boundary?

Accepted Answer

mountains, trench

Question 5

Which of the following is NOT a cause of plate motion?

Accepted Answer

Population density

Question 6

Between which two plates would you find a mid-ocean ridge?

Accepted Answer

South American and African

Question 7

What type of plate boundary is this?

Accepted Answer

ocean-ocean divergent

Question 8

Despite Wegener's evidence, his hypothesis was rejected at first. Why?

Accepted Answer

Because he could not explain the mechanism that drives it.

Question 9

What describes the movement of heated material due to differences in density and temperature?

Accepted Answer

convection

Question 10

Which number indicates the lithosphere?

Accepted Answer

2

Question 11

Which number indicates a continental rift zone?

Accepted Answer

7

Question 12

What idea was later used to explain the mechanism behind continental drift?

Accepted Answer

Sea-floor spreading

Question 13

Which of the following was used by Alfred Wegener as evidence to continental drift?

Accepted Answer

fossils found on different continents

Question 14

Which number indicates a subduction zone?

Accepted Answer

5

Question 15

What term describes the study of the alignment of magnetic minerals in rock?

Accepted Answer

Paleomagnetism

Question 16

What geologic feature is indicated by number 12?

Accepted Answer

mid-ocean ridge

Question 17

What is the name of the supercontinent fromwhich all current continents drifted away from?

Accepted Answer

Pangaea

Question 18

What type of plate boundary is most associated with earthquakes and do not produce magma?

Accepted Answer

transform

Question 19

Which continents formed from Laurasia?

Accepted Answer

North America and Eurasia

Question 20

How do scientists identify locations of plate boundaries?

Accepted Answer

Use locations of earthquakes, volcanoes, and trenches

Questions 20