UAG Unit 9 - Regents Earth Sci - Seismic Wave Check

1.

Multiple Choice

2 mins

1 pt

Seismic station A is 5000 kilometers from the epicenter. What is the difference between the arrival time of the first P-wave and the arrival time of the first S-wave recorded at this station?

2 minutes 20 seconds

6 minutes 40 seconds

8 minutes 20 seconds

15 minutes 00 second

2.

Multiple Choice

2 mins

1 pt

Which process prevented P-waves from arriving at seismic station B?

refraction

reflection

convection

conduction

3.

Multiple Choice

1 min

1 pt

Only P-waves were recorded at seismic station C because P-waves travel

only through Earth’s interior, and S-waves travel only on Earth’s surface

fast enough to penetrate the core, and S-waves travel too slowly

through iron and nickel, while S-waves cannot

through liquids, while S-waves cannot

4.

Multiple Choice

30 sec

1 pt

Which layer is made up of iron and nickel?

Crust

Mantle

Inner Core

Lithosphere

5.

Multiple Choice

30 sec

1 pt

Which wave travels fastest, always being the first detected by seismic stations?

P-Waves

S-Waves

P- and S-Waves travel at the same speed

This depends on other factors

6.

Multiple Choice

30 sec

1 pt

Which kind of waves CANNOT travel through a liquid?

P-Waves

S-Waves

BOTH CAN travel through liquids

NEITHER CAN travel through liquids

7.

Multiple Choice

30 sec

1 pt

Where are the P-waves located on this seismogram?

A

B

C

D

8.

Multiple Choice

30 sec

1 pt

What type of wave are the BLUE waves?
(The orange circle is the core)

P-waves

S-waves

A mixture of S- and P-Waves

None of the above

9.

Multiple Choice

30 sec

1 pt

Which of the following is evidence that the core has 2 layers?

Refraction of P-waves

Absorption of S-waves

Refraction of S-waves

No waves enter the core

10.

Multiple Choice

2 mins

1 pt

What is the depth at point B?

3.4-5.6 km

1.5 km

5000 km

2900 km

11.

Multiple Choice

1 min

1 pt

In General, Earth's layer's ________ as you increase depth.

become more dense

become less dense

change to a liquid

decrease in pressure

12.

Multiple Choice

30 sec

1 pt

Which type of wave can travel through the outer core?

P-Wave

S-Wave

Both P- and S-Waves

Neither P- nor S-waves

13.

Multiple Choice

30 sec

1 pt

No seismic waves are recorded in the ______________.

Epicenter

Core

Discontinuity

Shadow Zone

14.

Multiple Choice

2 mins

1 pt

A seismic station is recording the seismic waves produced by an earthquake that occurred 4200 kilometers away. Approximately how long after the arrival of the first P-wave will the first S-wave arrive?

1 min 05 sec

7 min 20 sec

5 min 50 sec

13 min 10 sec

15.

Multiple Choice

2 mins

1 pt

A seismogram shows a difference in arrival time of 1 minute and 45 seconds between the P- and S-waves recorded after an earthquake. How far away was the earthquake's epicenter?

400 km

800 km

2000 km

5500 km

16.

Multiple Choice

2 mins

1 pt

The distance between an earthquake and a seismic station is 1800 kilometers. What was the time difference between the arrival of the first P-wave and the arrival of the first S-wave at the seismic station?

1 min 80 sec

3 min 00 sec

3 min 40 sec

6 min 40 sec

17.

Multiple Choice

2 mins

1 pt

A seismic station located 4,400 kilometers from the epicenter recorded the P-wave and S-wave arrival times for this earthquake. What was the difference in the arrival time of the first P-wave and the first S-wave?

4 min 40 sec

7 min 35 sec

6 min 05 sec

13 min 35 sec

18.

Multiple Choice

2 mins

1 pt

The seismogram shows P-wave and S-wave arrival times at a seismic station following an earthquake.
The distance from this seismic station to the epicenter of the earthquake is approximately

1,600 km

3,200 km

4,400 km

5,600 km

19.

Multiple Choice

2 mins

1 pt

What is the definition of CONVECTION

When heat transfers through waves.

When heat transfers from objects that are touching.

When a hot liquid or air expands, becomes less dense, and rises or cools, becomes more dense, and sinks.

When heat travels from the sun

20.

Multiple Choice

1 min

1 pt

Warm air rises and the cool air sinks demonstrates this type of heat transfer.

conduction

convection

radiation

Insolation

21.

Multiple Choice

2 mins

1 pt

The diagram represents the movement of the mantle under the earth's crust. Which process is represented by the diagram?

rotation

conduction

radiation

convection

22.

Multiple Choice

30 sec

1 pt

Convection currents in the mantle are thought to be the driving force behind tectonic movement. At which location do the convection currents cause the plates to diverge?

strike-slip fault

subduction zone

mid oceanic ridges

folded mountains.

23.

Multiple Choice

2 mins

1 pt

What is the heat source for convection in the mantle?

the Crust

the Mantle

the Core

24.

Multiple Choice

2 mins

1 pt

When molten material is heated in the mantle it becomes

more dense

less dense

25.

Multiple Choice

2 mins

1 pt

Where is the density of the material greater, at point B or point C?

Point B

Point C

26.

Multiple Choice

1 min

1 pt

Which layer of Earth is located above the outer core?

crust

inner core

mantle

lithosphere

27.

Multiple Choice

1 min

1 pt

In which layer of the Earth is the athenosphere located?

inner core

mantle

outer core

crust

28.

Multiple Choice

30 sec

1 pt

Where do convection currents happen in the model we are studying?

the Crust

the Mantle

the Core

29.

Multiple Choice

45 sec

1 pt

The solid, plastic layer of the _______________ is called the _______________.

mantle; mesosphere

crust; lithosphere

mantle; asthenosphere

crust; asthenosphere

30.

Multiple Choice

45 sec

1 pt

Because Earth's interior is warmer than its surface layers, _________ materials move toward the surface in a process called _______________.

cold; separation

hot; convection

warm; convention

cold; cohabitation

31.

Multiple Choice

45 sec

1 pt

An area where no direct _________________ from a particular earthquake can be detected is called a __________________.

slippage; shadow box

earthquake waves; hidden zone

surface waves; dark zone

seismic waves; shadow zone

32.

Multiple Choice

45 sec

1 pt

_________________ are the _________________ body waves.

S-waves; fastest

P-waves; fastest

P-waves; slowest

Surface waves; fastest

33.

Multiple Choice

45 sec

1 pt

The ____________ composition of Earth's interior allows scientists to separate Earth into the _________________________ layers.

chemical; core, mantle and crust

chemical; inner, middle and outer core

physical; inside and outside

physical; P-wave and S-wave

34.

Multiple Choice

45 sec

1 pt

Scientists _____(1)_______ the composition of Earth's layers because they _____(2)______ gather samples directly from the layers.

(1) infer

(2) cannot

(1) know

(2) can

(1) guess

(2) often

(1) determine

(2) always

35.

Multiple Choice

2 mins

1 pt

The properties of the asthenosphere are important to ______________(1)_________________ because a fluid asthenosphere allows the plates to ______________(2)______________.

1. plate tectonics theory

2. move

1. Earth's formation

2. heat up

1. Earth's magnetic field

2. attract each other

1. convection theory

2. rotate

36.

Multiple Choice

2 mins

1 pt

This layer contains the upper mantle and the crust.

Mesosphere

Asthenosphere

Lithosphere

Core

37.

Multiple Choice

2 mins

1 pt

Scientists think that convection currents that move the plates flow in Earth's

Continental crust

oceanic crust

Asthenosphere

Lithosphere

38.

Multiple Choice

2 mins

1 pt

The core is made-up of what two elements?

iron and nickel

iron and oxygen

nickel and silicon

oxygen and silicon

39.

Multiple Choice

2 mins

1 pt

This layer of Earth is the thickest part

crust

outer core

mantle

inner core

40.

Multiple Choice

2 mins

1 pt

What are the two parts that make up a lithospheric plate?

crust and rigid mantle

oceanic and continental crust

asthenosphere and rigid mantle

stiffer and plastic mantle

41.

Multiple Choice

2 mins

1 pt

Which statement is true?

Oceanic crust is made of basalt and more dense than continental crust.

Oceanic crust is made of granite and less dense than continental crust.

Continental crust is made of basalt and more dense than oceanic crust.

Continental crust is made of granite and more dense than oceanic crust.

42.

Multiple Choice

30 sec

1 pt

Identify layer #20.

mantle

asthenosphere

inner core

outer core

43.

Multiple Choice

45 sec

1 pt

What observation can we make about Earth’s lithosphere AND asthenosphere?

The asthenosphere floats on top of the lithosphere.

The crust and the core make up the lithosphere.

The crust and mantle make up the asthenosphere.

The lithosphere floats on top of the asthenosphere

44.

Multiple Choice

2 mins

1 pt

Which layer of Earth is the thinnest?

Crust

Mantle

Inner Core

Outer Core

45.

Multiple Choice

2 mins

1 pt

Which layer of the earth has the lowest temperature?

Crust

Mantle

Outer Core

Inner Core

46.

Multiple Choice

1 min

1 pt

Tectonic plates are made up of continental crust and ________ crust.

continental

oceanic

plates

mantle

47.

Multiple Choice

30 sec

1 pt

Which layer is the OUTER CORE?

1

2

3

4

48.

Multiple Choice

1 min

1 pt

The cycle that powers the ocean currents, weather, and tectonic plates it called

conduction current

radiation

condition current

convection current

49.

Multiple Choice

1 min

1 pt

Put the liquids in order from most dense to least dense?

4, 3, 2, 1

1, 2, 3, 4

3, 4, 2, 1,

4, 3, 1, 2

50.

Multiple Choice

1 min

1 pt

Which liquid is the least dense?

oil

water

syrup

plastic bottle

51.

Multiple Choice

2 mins

1 pt

What is the depth at point C?

11.9 km

1.5 km

5000 km

2900 km

52.

Multiple Choice

2 mins

1 pt

What is the depth at point A?

11.9 km

1500 km

5000 km

2900 km

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