Plate Tectonics

Question 1

The principle of superposition can be used to determine?

Accepted Answer

relative age of these rock layers

Question 2

One hypothesis states taht plate movement results from convection currents inthe

Accepted Answer

asthenosphere

Question 3

What is the correct label fo "C" on the diagram?

Accepted Answer

Paleozoic

Question 4

In which layer would convection currents occur?

Accepted Answer

D

Question 5

Which letter represents a divergent boundary?

Accepted Answer

B

Question 6

Which of the following was NOT a piece of evidence Wegnener found to support his hypothesis?

Accepted Answer

Tracks of continents plowing through ocean floor rock

Question 7

Wegener's hypothesis of continental drift was confirmed by..

Accepted Answer

sea floor spreading

Question 8

Oceanic crust is_______ than continental crust

Accepted Answer

THINNER AND MORE DENSE

Question 9

Tectonics plates are blocks of

Accepted Answer

lithosphere

Question 10

Tectonic Plates can include

Accepted Answer

oceanic and continental crust

Question 11

What info can be determined about Earth's materials inferred by their arrangement in layers?

Accepted Answer

relative densities

Question 12

Which letter on the diagram reprseents a subduction zone?

Accepted Answer

C

Question 13

What occurs at a transform fault boundary?

Accepted Answer

two plates slide horizontally past each other

Question 14

Where do volvanoes tend to form?

Accepted Answer

all of the previous answers

Question 15

Which graph represents precambrean time in comparison to Earth's total age?

Accepted Answer

D

Question 16

A zone where oceanic crust dives beneath continental crust is called a zone of

Accepted Answer

subduction

Question 17

Which of the following gives evidence for plate tectonics?

Accepted Answer

magnetic alignment of oceanic rock

Question 18

How does sediment that is closer to a mid-ocean ridge compare to sediment that is further away?

Accepted Answer

younger

Question 19

According to Horner and some other palentologists, what caused Dinosaur Extinction?

Accepted Answer

Climate Change followed by an Asteroid Impact

Question 20

Convection currents of magma in the mantle produce

Accepted Answer

constant tectonic plate movement

Question 21

Because of intense pressure, the inner core of the Earth is...

Accepted Answer

solid

Question 22

The Shaded area of which graph represents the % of geologic time that's part of the Precambrian

Accepted Answer

C

Questions 22