3.12.W - Lesson Review: Earthquakes: Locating & Measuring / Earth's Interior / Hazards

Question 1

The __________ measures the amount of energy released in an earthquake.
seismogram
Richter scale
seismic scale
earthquake scale
Wegener scale

Answer 1

Richter scale

Question 2

What is the minimum number of stations required to pinpoint the epicenter of an earthquake?
5
2
1
3
4

Answer 2

3

Question 3

Who discovered the transition between the crust and mantle?
Andrija Mohorovicic
Alfred Wegener
Andrea Mohorovicic

Answer 3

Andrija Mohorovicic

Question 4

What are the three different seismographs?
One that records the north to south direction, one that records the east to west direction, and one that records the side to side direction.
One that records the in and out direction, one that records the east to west direction, and one that records the north to south direction.
One that records the up and down direction, one that records the diagonal direction, and one that records the in and out direction.
One that records the up and down direction, one that records the side to side direction, and one that records the diagonal direction.
One that records the up and down direction, one that records the north to south direction, and one that records the east to west direction.

Answer 4

One that records the up and down direction, one that records the north to south direction, and one that records the east to west direction.

Question 5

A seismograph _______________________.
measures the density of the earthquake
measures the height of an earthquake
measures the amount of pressure exerted by the plates
measures the vibrations of an earthquake as the plates shift
measures the temperature of an earthquake

Answer 5

measures the vibrations of an earthquake as the plates shift

Question 6

P waves can get refracted __________.
and slow down in the transition zone
as many as 2 or 3 times
only once

Answer 6

as many as 2 or 3 times

Question 7

Scientists believe the Earth’s inner core is made of __________.
metal like meteorites to generate a magnetic field
S waves
green cheese

Answer 7

metal like meteorites to generate a magnetic field

Question 8

In liquefaction, the soil begins to __________.
solidify
shake
liquify

Answer 8

liquify

Question 9

In 1999, in Izmit Turkey, an earthquake destroyed a large number of buildings. What was the reason for this?
The large earthquake caused a large piece of land to uplift, causing the damage.
Liquefaction caused the buildings to sink.
They didn’t enforce their building codes properly.

Answer 9

They didn’t enforce their building codes properly.

Question 10

What is the MOHO? (Select all that apply)
A denser area of material in the Earth’s interior
An area where seismic waves moved faster
Mohorovicic Discontinuity
An area where the seismic waves do not penetrate
The boundary between the crust in the mantle

Answer 10

A denser area of material in the Earth’s interior
An area where seismic waves moved faster
Mohorovicic Discontinuity
The boundary between the crust in the mantle

Question 11

What do P waves do when they hit the Earth’s liquid interior layer?
They go straight through.
S waves are refracted.
They bend as they go through.

Answer 11

They bend as they go through.

Question 12

Seismograph stations are used to __________.
send robotic probes down to the focus of the earthquake
report on the structural damage from earthquakes
find the epicenter of an earthquake
connect with satellite images of the earthquake
report the weather

Answer 12

find the epicenter of an earthquake

Question 13

The Croatian seismologist, Andrija Mohorovicic, discovered a boundary change in the Earth’s layers. Please explain how he discovered this using two to three sentences using your best grammar.

Answer 13

Your Answer:
Andrija Mohorovicic discovered this by looking at and comparing different seismograms. He then realized that some P-waves and S-waves travel faster in certain areas than others. He then applied his knowledge and discovered an area in the earth’s interior called the Mohorovicic Discontinuity.

Question 14

Explain how scientists have determined that the Earth’s outer core must be liquid. Use at least two examples to explain it, and use your best grammar.

Answer 14

Your Answer:
Scientists realized that Earth’s outer core is liquid by using their knowledge of S-waves. Scientists then discovered that S-waves can not travel through water and came up with the idea that the outer core must be liquid.