Earth Science Regents Review #1 - Dynamic Earth

Question 1

The Indian-Australian tectonic plate is moving:

Accepted Answer

toward the Pacific Plate

Question 2

Which choice shows the movement of material beneath points Xand Y (a diverging boundary)?

Accepted Answer

3

Question 3

Which mantle hot spot is located directly below a mid-ocean ridge plate boundary?

Accepted Answer

Iceland

Question 4

Which part of this seismogram is used tofind the distance to the epicenter of theearthquake?

Accepted Answer

difference in the arrival time of the P-waveand S-wave

Question 5

Which graph best shows the depths of earthquakes whose epicenters lie between A and B?

Accepted Answer

1

Question 6

The tsunami reached the Hawaiian Islands at 10:30 p.m., what time did the earthquake occur?

Accepted Answer

5:30p.m

Question 7

What is the time difference between P and S-wave arrival if the epicenter is 8000 km away?

Accepted Answer

9minutes 20 seconds

Question 8

Which diagram best represents the relative direction of plate motion at the San Andreas Fault?

Accepted Answer

4

Question 9

Compared to Earth’s continentalcrust, Earth’s oceanic crust is

Accepted Answer

thinner and more dense

Question 10

What is Earth’s interior pressure, in millions of atmospheres, at a depth of 3500 kilometers?

Accepted Answer

1.9

Question 11

An epicenter is 6500 km away.If the S-wave arrived at 1:30 pm, what time did the P wave arrive?

Accepted Answer

1:22p.m

Question 12

What happens to the density and temperature of rock within Earth’s interior as depth increases?

Accepted Answer

densityincreases and temperature increases

Question 13

No S-waves arrive directly at seismic station A because:

Accepted Answer

someparts of the core are liquid

Question 14

At which plate boundary is one lithospheric plate sliding under another?

Accepted Answer

Pacific Plate and Indian-Australian Plate

Question 15

The most recently formed bedrock in the diagram below isfound at location

Accepted Answer

C

Question 16

According to these data, most of theseearthquakes occurred within Earth’s

Accepted Answer

lithosphere

Question 17

At which location is the temperature of the ocean floor bedrock most likely highest?

Accepted Answer

C

Question 18

Which diagram best represents the bedrock polarity found onboth sides of the Mid-Indian Ridge?

Accepted Answer

1

Question 19

The interior of Earth between adepth of 5200 kilometersand 6300 kilometers is composed mostlyof

Accepted Answer

ironand nickel

Question 20

Which cross section shows the convection currents in the mantle beneath the Peru-Chile Trench?

Accepted Answer

3

Questions 20