Model Earthquake Movement

Question 1

Earthquakes produce

Answer 1

Waves

Question 2

A disturbance that transfers energy from one point to another.

Answer 2

Wave

Question 3

Earthquakes produce waves that ripple ________ from the place where the disturbance ________.

Answer 3

Outward, begins

Question 4

The sudden movement of an earthquake causes rocks to __________.

Answer 4

Vibrate

Question 5

A vibration that travels through the Earth and is produced by an earthquake is called…..

Answer 5

A seismic wave

Question 6

Seismic waves spread out in all directions from the _____, the point where the earthquake begins.

Answer 6

Focus

Question 7

The movement of particles by waves

Answer 7

Vibration

Question 8

Waves are classified by…

Answer 8

The type of vibration they cause in materials.

Question 9

_________ waves, such as sound waves, move material back and forth as the waves travel through it.

Answer 9

Longitudinal

Question 10

A wave that vibrates perpendicular to the direction that the energy moves.

Answer 10

Transverse wave

Question 11

Transverse waves move material ______ and ________ as they travel.

Answer 11

Up and down

Question 12

Earthquakes produce both ___________ and __________ waves.

Answer 12

Longitudinal and transverse

Question 13

HIGHEST point of a transverse wave.

Answer 13

Crest

Question 14

LOWEST point of a transverse wave.

Answer 14

Trough

Question 15

In a longitudinal wave - this is the point where the particles are closest together.

Answer 15

Crest

Question 16

In a longitudinal wave - this is the point where the particles are furthest apart.

Answer 16

Trough

Question 17

Distance between and crest and trough

Answer 17

Wavelength

Question 18

The measure of how many crests or troughs move through a given point in one unit of time.

Answer 18

Frequency

Question 19

True or False: the frequency and speed of a wave are the same.

Answer 19

False.

Question 20

The ________ of a wave depends on the material through which it travels.

Answer 20

Speed

Question 21

The height of a wave from its crest or trough to its midpoint.

Answer 21

Amplitude.

Question 22

Measure of a wave’s strength.

Answer 22

Amplitude

Question 23

Scientist measure seismic waves with this device. This device or instrument is used to detect and record earthquakes.

Answer 23

Seismograph

Question 24

The seismograph shows waves as ________ lines.

Answer 24

Curvy

Question 25

True/False - The weaker the quake, the steeper the lines.

Answer 25

False

Question 26

The amount of energy released by an earthquake.

Answer 26

Magnitude