Unit 9a Review

Question 1

A scientific theory is always the one and only correct explanation for a phenomenon.

Accepted Answer

False

Question 2

What evidence was NOT part of the Theory of Continental Drift in the early 1900's?

Accepted Answer

the varying ages of the ocean floor

Question 3

What type of tectonic plate boundary produces new rock?

Accepted Answer

divergent

Question 4

Two oceanic plates being pulled away from each other results in a __________.

Accepted Answer

mid-ocean ridge

Question 5

What feature is NOT found near a continental-oceanic boundary?

Accepted Answer

Arc Island volcanoes

Question 6

What happens to a volcanic island after the volcano goes extinct (never erupts again)?

Accepted Answer

The volcanic island begins to shrink due to natural erosion.

Question 7

Using the map on L9-3, what type of plate boundary is at the North American Plate and the Pacific Plate in California?

Accepted Answer

Transform

Question 8

Using the map on L9-3, what type of plate boundary is between the North American Plate and the Eurasian Plate?

Accepted Answer

Divergent

Question 9

What is found mostly along tectonic plate boundaries?

Accepted Answer

earthquakes & volcanoes

Question 10

All mountains are formed in the same way.

Accepted Answer

False

Question 11

If we cut the Earth in half and could see it's layers, _______________.

Accepted Answer

the crust is the thinnest layer

Question 12

What is the Earth's core made up of?

Accepted Answer

Iron & nickel

Question 13

Island chains formed by a hot spot are all the same age? (Hint: think about the Hawaiian Islands)

Accepted Answer

False

Question 14

Theory of Plate Tectonics is the currently accepted scientific explanation that replaced the Theory of Continental Drift

Accepted Answer

True

Question 15

Which of the following is NOT true about the MANTLE?

Accepted Answer

This is the inner most layer of the Earth

Question 16

Using the map on L9-3, what type of plate boundary is between the Indian Plate and the Eurasian Plate?

Accepted Answer

Convergent

Question 17

Which of the following are true?

Accepted Answer

Continental plates are less dense, thicker, & & older than oceanic plates.

Question 18

The ocean floor is featureless and all the same age.

Accepted Answer

False

Question 19

Alfred Wegener could not explain why continents moved. What is the currently accepted scientific explanation?

Accepted Answer

Mantle convection currents push on the tectonic plates

Question 20

What type of plate boundary recycles rock?

Accepted Answer

Convergent

Question 21

Where are the oldest rocks on the ocean floor found?

Accepted Answer

near continents or trenches

Question 22

Two continental plates being pulled away from each other results in a _______.

Accepted Answer

rift valley

Question 23

The youngest rocks on the ocean floor are near the mid-ocean ridges.

Accepted Answer

True

Question 24

Volcanic mountain ranges on a continent are formed when ______________.

Accepted Answer

an oceanic plate subducts under a continental plate

Question 25

Where are the oldest rocks on Earth found?

Accepted Answer

continental plates

Question 26

Subduction zones happen where __________________.

Accepted Answer

a denser plate goes below a less dense plate.

Question 27

Which of the following is correct regarding hot spots?

Accepted Answer

The pacific plate near Hawaii is moving northwest.

Question 28

Using the map on L9-3, what type of plate boundary is between the Pacific Plate and the Philippine Plate?

Accepted Answer

Convergent

Question 29

What is NOT true about the CRUST?

Accepted Answer

It is the densest layer of the Earth.

Question 30

What is subduction?

Accepted Answer

When a more dense plate goes under a less dense plate

Unit 9a Review

Questions 30

Unit 9a Review

Questions 30