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NDQ_003414
high point of a wave
a. earthquake, b. body wave, c. crest, d. surface wave, e. epicenter, f. focus, g. trough
c
Lesson: nature of earthquakes Causes of Earthquakes: Almost all earthquakes occur at plate boundaries. All types of plate boundaries have earthquakes. Convection within the Earth causes the plates to move. As the plates move, stresses build. When the stresses build too much, the rocks break. The break releases the ene...
NDQ_003415
seismic wave that travels along the surface of the ground
a. earthquake, b. body wave, c. crest, d. surface wave, e. epicenter, f. focus, g. trough
d
Lesson: nature of earthquakes Causes of Earthquakes: Almost all earthquakes occur at plate boundaries. All types of plate boundaries have earthquakes. Convection within the Earth causes the plates to move. As the plates move, stresses build. When the stresses build too much, the rocks break. The break releases the ene...
NDQ_003416
point below the surface where an earthquake begins
a. earthquake, b. body wave, c. crest, d. surface wave, e. epicenter, f. focus, g. trough
f
Lesson: nature of earthquakes Causes of Earthquakes: Almost all earthquakes occur at plate boundaries. All types of plate boundaries have earthquakes. Convection within the Earth causes the plates to move. As the plates move, stresses build. When the stresses build too much, the rocks break. The break releases the ene...
NDQ_003417
low point of a wave
a. earthquake, b. body wave, c. crest, d. surface wave, e. epicenter, f. focus, g. trough
g
Lesson: nature of earthquakes Causes of Earthquakes: Almost all earthquakes occur at plate boundaries. All types of plate boundaries have earthquakes. Convection within the Earth causes the plates to move. As the plates move, stresses build. When the stresses build too much, the rocks break. The break releases the ene...
NDQ_003418
ground movement caused by the sudden release of energy stored in rocks
a. earthquake, b. body wave, c. crest, d. surface wave, e. epicenter, f. focus, g. trough
a
Lesson: nature of earthquakes Causes of Earthquakes: Almost all earthquakes occur at plate boundaries. All types of plate boundaries have earthquakes. Convection within the Earth causes the plates to move. As the plates move, stresses build. When the stresses build too much, the rocks break. The break releases the ene...
NDQ_003419
point on the surface above the focus of an earthquake
a. earthquake, b. body wave, c. crest, d. surface wave, e. epicenter, f. focus, g. trough
e
Lesson: nature of earthquakes Causes of Earthquakes: Almost all earthquakes occur at plate boundaries. All types of plate boundaries have earthquakes. Convection within the Earth causes the plates to move. As the plates move, stresses build. When the stresses build too much, the rocks break. The break releases the ene...
NDQ_003420
seismic wave that travels below Earths surface
a. earthquake, b. body wave, c. crest, d. surface wave, e. epicenter, f. focus, g. trough
b
Lesson: nature of earthquakes Causes of Earthquakes: Almost all earthquakes occur at plate boundaries. All types of plate boundaries have earthquakes. Convection within the Earth causes the plates to move. As the plates move, stresses build. When the stresses build too much, the rocks break. The break releases the ene...
NDQ_003421
According to elastic rebound theory, earthquakes occur when stresses on rocks become too great and the rocks
a. become deformed, b. fracture and form a joint, c. return to their original shape, d. are permanently stretched out of shape
c
Lesson: nature of earthquakes Causes of Earthquakes: Almost all earthquakes occur at plate boundaries. All types of plate boundaries have earthquakes. Convection within the Earth causes the plates to move. As the plates move, stresses build. When the stresses build too much, the rocks break. The break releases the ene...
NDQ_003422
The focus of a shallow earthquake is
a. less than 70 km below the surface, b. between 70 and 300 km below the surface, c. more than 300 kilometers below the surface, d. none of the above
a
Lesson: nature of earthquakes Causes of Earthquakes: Almost all earthquakes occur at plate boundaries. All types of plate boundaries have earthquakes. Convection within the Earth causes the plates to move. As the plates move, stresses build. When the stresses build too much, the rocks break. The break releases the ene...
NDQ_003423
About 80 percent of all earthquakes take place
a. in the state of Californi, b. at divergent plate boundaries, c. along the Pacific Ring of Fire, d. far from plate boundaries
c
Lesson: nature of earthquakes Causes of Earthquakes: Almost all earthquakes occur at plate boundaries. All types of plate boundaries have earthquakes. Convection within the Earth causes the plates to move. As the plates move, stresses build. When the stresses build too much, the rocks break. The break releases the ene...
NDQ_003424
The wavelength of a wave can be measured by finding the distance between
a. the focus and the epicenter, b. a P wave and an S wave, c. a crest and a trough, d. two adjacent crests
d
Lesson: nature of earthquakes Causes of Earthquakes: Almost all earthquakes occur at plate boundaries. All types of plate boundaries have earthquakes. Convection within the Earth causes the plates to move. As the plates move, stresses build. When the stresses build too much, the rocks break. The break releases the ene...
NDQ_003425
Seismic waves that do the most damage are
a. body waves, b. surface waves, c. primary waves, d. secondary waves
b
Lesson: nature of earthquakes Causes of Earthquakes: Almost all earthquakes occur at plate boundaries. All types of plate boundaries have earthquakes. Convection within the Earth causes the plates to move. As the plates move, stresses build. When the stresses build too much, the rocks break. The break releases the ene...
NDQ_003426
Surface waves that produce a rolling motion are
a. P waves, b. S waves, c. love waves, d. Rayleigh waves
d
Lesson: nature of earthquakes Causes of Earthquakes: Almost all earthquakes occur at plate boundaries. All types of plate boundaries have earthquakes. Convection within the Earth causes the plates to move. As the plates move, stresses build. When the stresses build too much, the rocks break. The break releases the ene...
NDQ_003427
Tsunamis may be caused by
a. landslides, b. meteorites, c. nuclear explosions, d. all of the above
d
Lesson: nature of earthquakes Causes of Earthquakes: Almost all earthquakes occur at plate boundaries. All types of plate boundaries have earthquakes. Convection within the Earth causes the plates to move. As the plates move, stresses build. When the stresses build too much, the rocks break. The break releases the ene...
NDQ_003428
earthquake scale based on the height of seismic waves on a seismogram
a. S wave, b. moment magnitude scale, c. Mercalli intensity scale, d. seismogram, e. P wave, f. Richter magnitude scale, g. seismograph
f
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003429
If a seismograph records P-waves but not S-waves from an earthquake, it means
a. the quake wasnt very strong, b. the quake was very far away, c. the quake was on the opposite side of the planet, d. the seismograph was in the wrong spot
c
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003430
paper record of seismic waves produced by a seismograph
a. S wave, b. moment magnitude scale, c. Mercalli intensity scale, d. seismogram, e. P wave, f. Richter magnitude scale, g. seismograph
d
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003431
Where is the focus with respect to the epicenter?
a. directly below the epicenter, b. directly above the epicenter, c. in the P wave shadow zone, d. in the S wave shadow zone
a
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003432
type of seismic wave that cannot travel through Earths liquid outer core
a. S wave, b. moment magnitude scale, c. Mercalli intensity scale, d. seismogram, e. P wave, f. Richter magnitude scale, g. seismograph
a
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003433
Which of the following measures the observed effects on people and structures of an earthquake?
a. Richter scale, b. Modified Mercalli scale, c. the Centigrade scale, d. the moment magnitude scale
b
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003434
Which of the following statements best describes the state of earthquake prediction?
a. scientists can accurately predict the time and location of almost all earthquakes, b. scientists can accurately predict the time and location of about 50% of all earthquakes, c. scientists can accurately predict when an earthquake will occur, but not where, d. scientists can characterize the seismic risk of an area,...
d
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003435
earthquake scale based on the total energy released in an earthquake
a. S wave, b. moment magnitude scale, c. Mercalli intensity scale, d. seismogram, e. P wave, f. Richter magnitude scale, g. seismograph
b
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003436
device that records seismic waves
a. S wave, b. moment magnitude scale, c. Mercalli intensity scale, d. seismogram, e. P wave, f. Richter magnitude scale, g. seismograph
g
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003437
If the arrival time of the first P-wave and the first S-wave is long, the epicenter is
a. far away, b. very close, c. very deep, d. near the surface
a
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003439
earthquake scale based on information such as the damage done to buildings
a. S wave, b. moment magnitude scale, c. Mercalli intensity scale, d. seismogram, e. P wave, f. Richter magnitude scale, g. seismograph
c
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003440
type of seismic wave that always arrives first at a seismometer
a. S wave, b. moment magnitude scale, c. Mercalli intensity scale, d. seismogram, e. P wave, f. Richter magnitude scale, g. seismograph
e
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003448
Seismographs can help to determine the intensity of an earthquake.
a. true, b. false
b
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003450
The intensity of an earthquake is directly related to its distance from the epicenter.
a. true, b. false
a
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003453
An earthquake with magnitude between 0 and 9 happens about once per year.
a. true, b. false
a
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003455
Scientists can better predict when an earthquake will occur than where it will occur.
a. true, b. false
b
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003456
The time difference between the P & S wave shows the intensity of an earthquake.
a. true, b. false
b
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003457
The strength of an earthquake can be measured in several different ways.
a. true, b. false
a
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003458
The pen of a seismograph moves back and forth over a paper roll during an earthquake.
a. true, b. false
b
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003459
Modern seismographs record seismic waves using a stationary drum.
a. true, b. false
b
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003460
The S waves on a seismogram are usually smaller than the P waves.
a. true, b. false
b
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003461
For some earthquakes, only P waves and surface waves show up on a seismogram.
a. true, b. false
a
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003462
The Richter scale measures the magnitude of an earthquakes largest jolt of energy.
a. true, b. false
a
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003463
A Richter magnitude 8 earthquake occurs about once a week.
a. true, b. false
b
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003464
Most Richter magnitude 9 earthquakes have occurred around the Pacific Ring of Fire.
a. true, b. false
a
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003465
The preferred scale for measuring an earthquakes magnitude is the moment magnitude scale.
a. true, b. false
a
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003466
Today, scientists can accurately predict most earthquakes.
a. true, b. false
b
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003467
Finding the amplitude of a seismic wave is one way of determining its
a. intensity, b. magnitude, c. wavelength, d. wave spee
b
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003468
What can you determine about an earthquake from a single sonogram?
a. exact location of the epicenter, b. distance from the epicenter to the seismograph, c. strength of the earthquake, d. two of the above
d
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003469
When an earthquakes focus is close to the surface, the largest waves recorded on a seismogram are
a. primary waves, b. surface waves, c. body waves, d. S waves
b
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003470
If a seismogram records only P waves and surface waves for an earthquake, the earthquake must be
a. on the opposite side of Earth from the seismograph, b. extremely close to the seismograph, c. very far below Earths surface, d. very close to Earths surface
a
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003471
An S-wave shadow occurs because S waves travel
a. more quickly than surface waves, b. more slowly than P waves, c. only on the surface, d. only through solids
d
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003472
The moment magnitude of an earthquake is calculated from the
a. length of the fault, b. distance the ground moves, c. amplitude of the seismic waves, d. two of the above
d
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003473
Assume that an earthquake has a magnitude of 4 on the Richter scale. An earthquake that is 100 times stronger has a magnitude of
a. 5, b. 6, c. 40, d. 400
b
Lesson: measuring and predicting earthquakes Measuring Seismic Waves: Seismic waves are measured on a seismograph. Seismographs contain a lot of information, and not just about earthquakes. Seismographs: A seismograph is a machine that records seismic waves. In the past, seismographs produced a seismogram. A seismog...
NDQ_003474
Much of the damage caused by earthquakes is done by
a. fires, b. tsunamis, c. landslides, d. all of the above
d
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003475
Which of the following hardly ever kills anyone in an earthquake?
a. structures falling, b. ground shaking, c. fire, d. tsunami
b
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003476
Earthquake-safe construction methods include
a. making buildings out of stone, b. anchoring buildings to bedrock, c. making buildings without foundations, d. all of the above
b
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003477
Not too many people died in the Great Alaska Earthquake in 1964 because
a. few people lived in the area, b. it was not a large quake, c. the ground was so solid that the shock was absorbed, d. none of these
a
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003478
The Great Alaska Earthquake occurred
a. near the capital city of Juneau, b. where many people lived, c. at a subduction zone, d. in 2004
c
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003479
If you want to be safe in an earthquake, build your house on
a. soft sediments that absorb shock, b. sediments that will undergo liquefaction, c. solid bedrock, d. any type of ground is fine, just build a solid house
c
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003480
To keep gas lines and water mains from breaking in an earthquake,
a. make them completely solid so that they dont break, b. put them above ground so that they dont break, c. zigzag the pipes so that they bend to absorb ground shaking, d. b c
d
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003481
Structures that reduce how much buildings sway during an earthquake include
a. diagonal steel beams, b. heavy slate roofs, c. counterweights, d. two of the above
d
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003482
Steel is a good building material for earthquake zones because steel
a. bends without breaking, b. is very light in weight, c. resists shaking, d. is very rigi
a
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003483
Which of the following is something that you should NOT do during an earthquake.
a. Take an elevator to the ground floor so that you can run outside, b. Stay away from things that can break or fall on you, c. Dive underneath a sturdy piece of furniture, d. Run to an open area if you are outside
a
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003485
If you live in a place where the risk of earthquakes is high, you should
a. keep heavy objects near the floor, b. prepare an emergency kit, c. use fluorescent light bulbs, d. all of the above
d
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003486
If you are in a car when an earthquake occurs, you should
a. run into the nearest building, b. get out of the car and drop to the ground, c. stay in the car and away from buildings, d. stay in the car and park under an overpass
c
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003488
solid material that shakes less than soil during an earthquake
a. liquefy, b. magnitude, c. bedrock, d. landslide, e. hazard map, f. fire, g. quicksand
c
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003490
earthquake risk that may occur because gas lines break when the ground shakes
a. liquefy, b. magnitude, c. bedrock, d. landslide, e. hazard map, f. fire, g. quicksand
f
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003492
tool for showing the likelihood of strong earthquakes in a region
a. liquefy, b. magnitude, c. bedrock, d. landslide, e. hazard map, f. fire, g. quicksand
e
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003493
In case of an earthquake, a one day supply of food and water is enough for a family.
a. true, b. false
b
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003494
sudden collapse of a hillside that may occur during an earthquake
a. liquefy, b. magnitude, c. bedrock, d. landslide, e. hazard map, f. fire, g. quicksand
d
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003495
Large buildings can be placed on rollers so that they move as the ground moves.
a. true, b. false
a
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003496
one of many factors that affect how much damage is done by an earthquake
a. liquefy, b. magnitude, c. bedrock, d. landslide, e. hazard map, f. fire, g. quicksand
b
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003497
to change to a liquid
a. liquefy, b. magnitude, c. bedrock, d. landslide, e. hazard map, f. fire, g. quicksand
a
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003498
The largest recorded earthquake was 12.3 on the Richter Scale
a. true, b. false
b
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003499
material that forms when wet soil shakes and liquefies in an earthquake
a. liquefy, b. magnitude, c. bedrock, d. landslide, e. hazard map, f. fire, g. quicksand
g
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003500
The projected Mercalli Intensity scale for a future earthquake is used by city planners in earthquake
a. true, b. false
a
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003501
Elevated freeways can be retrofitted for earthquakes.
a. true, b. false
a
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003502
All earthquake damage is caused by the ground shaking.
a. true, b. false
b
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003503
A stronger earthquake always causes more damage than a weaker earthquake.
a. true, b. false
b
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003504
An earthquake always causes more deaths in cities closer to the epicenter.
a. true, b. false
b
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003505
The Great Alaska Earthquake had a magnitude greater than 9 on the Richter scale.
a. true, b. false
a
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003506
Most deaths in the Great Alaska Earthquake were due to the tsunami.
a. true, b. false
a
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003507
In earthquake zones, building materials should be strong and rigid.
a. true, b. false
b
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003508
Buildings should be constructed so they do not bend and sway in an earthquake.
a. true, b. false
b
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003509
If you are inside when an earthquake strikes, you should get beneath a sturdy table or desk.
a. true, b. false
a
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003510
If you are outside when an earthquake strikes, you should run to an open area away from buildings and
a. true, b. false
a
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003511
In earthquake zones, heavy furniture should be attached securely to walls.
a. true, b. false
a
Lesson: staying safe in earthquakes Damage from Earthquakes: Earthquake magnitude affects how much damage is done in an earthquake. A larger earthquake damages more buildings and kills more people than a smaller earthquake. But thats not the only factor that determines earthquake damage. The location of an earthquake ...
NDQ_003519
Iceland consists of volcanoes that formed over a hot spot.
a. true, b. false
a
Lesson: volcanic activity Where Volcanoes Are Found: Volcanoes rise where magma forms underground. Volcanoes are found at convergent plate boundaries and at hotspots. Volcanic activity is found at divergent plate boundaries. The map in Figure 8.1 shows where volcanoes are located. Divergent Plate Boundaries: There i...
NDQ_003520
Volcanoes are scattered randomly across Earths surface.
a. true, b. false
b
Lesson: volcanic activity Where Volcanoes Are Found: Volcanoes rise where magma forms underground. Volcanoes are found at convergent plate boundaries and at hotspots. Volcanic activity is found at divergent plate boundaries. The map in Figure 8.1 shows where volcanoes are located. Divergent Plate Boundaries: There i...
NDQ_003521
Many volcanoes occur along the mid-Atlantic Ridge.
a. true, b. false
a
Lesson: volcanic activity Where Volcanoes Are Found: Volcanoes rise where magma forms underground. Volcanoes are found at convergent plate boundaries and at hotspots. Volcanic activity is found at divergent plate boundaries. The map in Figure 8.1 shows where volcanoes are located. Divergent Plate Boundaries: There i...
NDQ_003522
Volcanoes occur only in oceanic crust.
a. true, b. false
b
Lesson: volcanic activity Where Volcanoes Are Found: Volcanoes rise where magma forms underground. Volcanoes are found at convergent plate boundaries and at hotspots. Volcanic activity is found at divergent plate boundaries. The map in Figure 8.1 shows where volcanoes are located. Divergent Plate Boundaries: There i...
NDQ_003523
Chains of volcanoes form above hot spots because of plate tectonics.
a. true, b. false
a
Lesson: volcanic activity Where Volcanoes Are Found: Volcanoes rise where magma forms underground. Volcanoes are found at convergent plate boundaries and at hotspots. Volcanic activity is found at divergent plate boundaries. The map in Figure 8.1 shows where volcanoes are located. Divergent Plate Boundaries: There i...
NDQ_003524
The Hawaiian hot spot is no longer active.
a. true, b. false
b
Lesson: volcanic activity Where Volcanoes Are Found: Volcanoes rise where magma forms underground. Volcanoes are found at convergent plate boundaries and at hotspots. Volcanic activity is found at divergent plate boundaries. The map in Figure 8.1 shows where volcanoes are located. Divergent Plate Boundaries: There i...
NDQ_003525
Hot spots never occur under continental crust.
a. true, b. false
b
Lesson: volcanic activity Where Volcanoes Are Found: Volcanoes rise where magma forms underground. Volcanoes are found at convergent plate boundaries and at hotspots. Volcanic activity is found at divergent plate boundaries. The map in Figure 8.1 shows where volcanoes are located. Divergent Plate Boundaries: There i...
NDQ_003526
The majority of mantle plumes are found under the ocean basins.
a. true, b. false
a
Lesson: volcanic activity Where Volcanoes Are Found: Volcanoes rise where magma forms underground. Volcanoes are found at convergent plate boundaries and at hotspots. Volcanic activity is found at divergent plate boundaries. The map in Figure 8.1 shows where volcanoes are located. Divergent Plate Boundaries: There i...
NDQ_003527
All hot spots are in the middle of tectonic plates.
a. true, b. false
b
Lesson: volcanic activity Where Volcanoes Are Found: Volcanoes rise where magma forms underground. Volcanoes are found at convergent plate boundaries and at hotspots. Volcanic activity is found at divergent plate boundaries. The map in Figure 8.1 shows where volcanoes are located. Divergent Plate Boundaries: There i...
NDQ_003528
The molten rock of a volcano comes from Earths core.
a. true, b. false
b
Lesson: volcanic activity Where Volcanoes Are Found: Volcanoes rise where magma forms underground. Volcanoes are found at convergent plate boundaries and at hotspots. Volcanic activity is found at divergent plate boundaries. The map in Figure 8.1 shows where volcanoes are located. Divergent Plate Boundaries: There i...
NDQ_003536
column of hot rock that lies below a hot spot
a. volcano, b. magma, c. lava, d. hot spot, e. mantle plume, f. plate boundary, g. fissure
e
Lesson: volcanic activity Where Volcanoes Are Found: Volcanoes rise where magma forms underground. Volcanoes are found at convergent plate boundaries and at hotspots. Volcanic activity is found at divergent plate boundaries. The map in Figure 8.1 shows where volcanoes are located. Divergent Plate Boundaries: There i...
NDQ_003537
crack in Earths crust where magma pushes up through the crust
a. volcano, b. magma, c. lava, d. hot spot, e. mantle plume, f. plate boundary, g. fissure
g
Lesson: volcanic activity Where Volcanoes Are Found: Volcanoes rise where magma forms underground. Volcanoes are found at convergent plate boundaries and at hotspots. Volcanic activity is found at divergent plate boundaries. The map in Figure 8.1 shows where volcanoes are located. Divergent Plate Boundaries: There i...
NDQ_003538
feature that forms when magma flows onto Earths surface
a. volcano, b. magma, c. lava, d. hot spot, e. mantle plume, f. plate boundary, g. fissure
a
Lesson: volcanic activity Where Volcanoes Are Found: Volcanoes rise where magma forms underground. Volcanoes are found at convergent plate boundaries and at hotspots. Volcanic activity is found at divergent plate boundaries. The map in Figure 8.1 shows where volcanoes are located. Divergent Plate Boundaries: There i...
NDQ_003539
location where most volcanoes occur
a. volcano, b. magma, c. lava, d. hot spot, e. mantle plume, f. plate boundary, g. fissure
f
Lesson: volcanic activity Where Volcanoes Are Found: Volcanoes rise where magma forms underground. Volcanoes are found at convergent plate boundaries and at hotspots. Volcanic activity is found at divergent plate boundaries. The map in Figure 8.1 shows where volcanoes are located. Divergent Plate Boundaries: There i...
NDQ_003540
fixed spot where magma rises through the crust and creates volcanoes
a. volcano, b. magma, c. lava, d. hot spot, e. mantle plume, f. plate boundary, g. fissure
d
Lesson: volcanic activity Where Volcanoes Are Found: Volcanoes rise where magma forms underground. Volcanoes are found at convergent plate boundaries and at hotspots. Volcanic activity is found at divergent plate boundaries. The map in Figure 8.1 shows where volcanoes are located. Divergent Plate Boundaries: There i...
NDQ_003541
name for melted rock under Earths surface
a. volcano, b. magma, c. lava, d. hot spot, e. mantle plume, f. plate boundary, g. fissure
b
Lesson: volcanic activity Where Volcanoes Are Found: Volcanoes rise where magma forms underground. Volcanoes are found at convergent plate boundaries and at hotspots. Volcanic activity is found at divergent plate boundaries. The map in Figure 8.1 shows where volcanoes are located. Divergent Plate Boundaries: There i...
NDQ_003542
name for melted rock after it flows onto Earth surface
a. volcano, b. magma, c. lava, d. hot spot, e. mantle plume, f. plate boundary, g. fissure
c
Lesson: volcanic activity Where Volcanoes Are Found: Volcanoes rise where magma forms underground. Volcanoes are found at convergent plate boundaries and at hotspots. Volcanic activity is found at divergent plate boundaries. The map in Figure 8.1 shows where volcanoes are located. Divergent Plate Boundaries: There i...
NDQ_003543
The only place where the mid-Atlantic ridge is above sea level is
a. Iceland, b. England, c. Greenland, d. none of the above
a
Lesson: volcanic activity Where Volcanoes Are Found: Volcanoes rise where magma forms underground. Volcanoes are found at convergent plate boundaries and at hotspots. Volcanic activity is found at divergent plate boundaries. The map in Figure 8.1 shows where volcanoes are located. Divergent Plate Boundaries: There i...