Layers and Seismic Waves

1.

Multiple Choice

30 sec

1 pt

Which layer(s) are composed of Iron and Nickle?

A

A & B

C

B & C

2.

Multiple Select

45 sec

1 pt

Check all of the following that are true when comparing P and S waves.

P waves travel through solids and liquids

S waves stop at liquids

They start at an earthquake

They help us determine the structure of the Earth

P waves move slower than s waves

3.

Multiple Choice

30 sec

1 pt

On Earth, the s wave shadow zone is caused by...

The liquid outer core

The solid inner core

The density differences in the mantle

Earth does not have s wave shadow zones

4.

Multiple Choice

30 sec

1 pt

Primary waves are _____ and secondary waves are _____.

transverse; longitudinal

shear; compressional

surface; sound

longitudinal; transverse

5.

Multiple Choice

45 sec

1 pt

P Waves travel through...

Solids

Liquids

Both

6.

Multiple Choice

45 sec

1 pt

S Waves travel through...

Soilds

Liquids

Both

7.

Multiple Choice

30 sec

1 pt

Where is heat and pressure the greatest in the Earth?

crust

mantle

outer core

inner core

8.

Multiple Choice

30 sec

1 pt

Which layer of the earth is the least dense layer?

crust

mantle

outer core

inner core

9.

Multiple Choice

2 mins

1 pt

Which type of wave is the most destructive wave?

Primary Wave

Secondary Wave

10.

Multiple Choice

30 sec

1 pt

also called a Primary wave it is a compression (Longitudinal) wave produced by an earthquake that form when rocks break due to pressure.

Seismic Wave

S-Wave

P-Wave

Ocean Wave

11.

Multiple Choice

30 sec

1 pt

Crust

Mantle

Outer Core

Inner Core

12.

Multiple Choice

30 sec

1 pt

Mantle

Outer Core

Inner Core

Crust

13.

Multiple Choice

30 sec

1 pt

Mantle

Outer Core

Inner Core

Crust

14.

Multiple Choice

30 sec

1 pt

This layer of Earth is solid Iron and Nickel

Outer Core

Mantle

Inner Core

Crust

15.

Multiple Choice

30 sec

1 pt

What describes the outer core?

solid

liquid

viscous

gas

16.

Multiple Choice

30 sec

1 pt

As you travel from the inner core to the crust, how would temperature, pressure and density of the material change?

The would all increase

The would all decrease.

They would stay the same.

Temperature would decrease, but pressure and density would increase.

17.

Multiple Choice

30 sec

1 pt

Temperature _____________________ as you go deeper into the earth.

increases

decreases

goes up and down depending on the layer

stays the same

18.

Multiple Choice

30 sec

1 pt

Pressure ______________________ as you go deeper into the Earth

increases

decreases

goes up or down depending on the layer

stays the same

19.

Multiple Choice

1 min

1 pt

This layer of Earth is the thickest part

crust

outer core

mantle

inner core

20.

Multiple Choice

30 sec

1 pt

If we compare the temperature and pressure of Earth's mantle to the core, what differences can we expect as we move downward into Earth?

Both temperature and pressure increase.

Both temperature and pressure decrease.

Temperature decreases and pressure increases.

Temperature increases and pressure decreases.

21.

Multiple Choice

30 sec

1 pt

When a seismic wave traveling down through the crust arrives at the next layer, what happens to the wave, how does the wave change? In other words, what are the scientist observing about the wave that tells them the wave is entering a new layer.

The type of wave changes, it goes from a P wave to an S wave

The waves change speed

The waves don’t change the matter around them changes.

22.

Multiple Choice

30 sec

1 pt

Which statement about seismic waves is accurate?

Seismic waves only relate to earthquakes

Seismic waves have uniform motion within Earth’s layers

Seismic waves change speed when density changes in Earth’s layers

Seismic waves determine differences in temperature in Earth’s layers

23.

Multiple Choice

30 sec

1 pt

Which of the following graphs BEST represents the relationship between the density and depth of material below the Earth’s surface?

A

B

C

D

24.

Multiple Choice

30 sec

1 pt

Which of the following Earth’s layers has the GREATEST density?

crust

mantle

outer core

inner core

25.

Multiple Choice

30 sec

1 pt

Which of the following most likely causes the Earth’s inner core to be solid?

the pressure at the core is very high

the metals in the core are very heavy

the temperature of the core is very low

the chemicals in the core are very reactive

26.

Multiple Choice

30 sec

1 pt

The crust, the mantle, and the core are structures of Earth. Which description is a feature of Earth’s mantle?

is made of fossil remains

hottest layer

is located at the center of the earth

has convection currents

is made of water

27.

Multiple Select

45 sec

1 pt

Which layers have convection currents. Select ALL possible correct answers

crust

mantle

inner core

outer core

Asthenosphere

28.

Multiple Select

45 sec

1 pt

Which layers have convection currents. Select ALL possible correct answers

crust

mantle

inner core

outer core

Asthenosphere

29.

Multiple Choice

30 sec

1 pt

What part of Earth is the hottest?

core

mantle

surface

crust

30.

Multiple Choice

30 sec

1 pt

Which of these describes the asthenosphere?

Plastic like, flowing layer of Earth on which crust floats.

Topmost solid part of Earth in which crust is located.

Center part of earth responsible for the earth’s magnetic field.

Inner solid layer that is extremely hot.

31.

Multiple Choice

30 sec

1 pt

Which of these describes the lithosphere?

Plastic like, flowing layer of Earth on which crust floats.

Topmost solid part of Earth in which crust is located.

Center part of earth responsible for the earth’s magnetic field.

Inner solid layer that is extremely hot.

32.

Multiple Choice

30 sec

1 pt

Which best describes the Earth’s crust?

It is stationary and unable to move

It is thicker than the mantle and the core

It is located between the outer and inner core

It's composed of continental and oceanic plates

33.

Multiple Select

45 sec

1 pt

The lithosphere is made up of the ________ and ________. (Pick 2)

crust

asthenosphere

upper mantle

mesosphere

34.

Multiple Choice

30 sec

1 pt

Geologists believe the source of the earth’s magnetic field may be the

crust

asthenosphere

upper mantle

core

35.

Multiple Choice

30 sec

1 pt

Based on the list given, which is the least dense layer of the earth?

asthenosphere

mesosphere

outer core

inner core

36.

Multiple Choice

30 sec

1 pt

Which makes up most of Earth’s core?

gases

rock

metal

water

37.

Multiple Choice

30 sec

1 pt

The thick, MIDDLE layer of the earth is the _____.

lithosphere

asthenosphere

mesosphere

ocean

core

38.

Multiple Choice

30 sec

1 pt

Which is the WEAK partially melted layer of the mantle?

lithosphere

asthenosphere

mesosphere

ocean

core

39.

Drag and Drop

1 min

1 pt

Sort the following characteristics based on whether they describe the Oceanic Crust: (a) (b) (c) (d)

Thinner Crust

part of the lithospehre

more dense than the continental crust

Thicker Crust

less dense than the continental crust

made of granite rock

made of basalt rock

40.

Drag and Drop

1 min

1 pt

Sort the following characteristics based on whether they describe the Continental Crust: (a) (b) (c) (d)

Thicker Crust

part of the lithospehre

less dense than the continental crust

Thinner Crust

more dense than the continental crust

made of basalt rock

made of granite rock

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