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DQ_001430
Where is it most likely to experience these phenomena?
abc_question_images/seismic_waves_11705.png
a. In the innermost regions of the planet, b. In subduction zones, c. Near urban regions, d. Near plate boundaries
d
DQ_001427
image
abc_question_images/seismic_waves_11705.png
seismic_waves_11705.png
1
DQ_001430
Where is it most likely to experience these phenomena?
abc_question_images/seismic_waves_11705.png
a. In the innermost regions of the planet, b. In subduction zones, c. Near urban regions, d. Near plate boundaries
d
DQ_001423
image
abc_question_images/seismic_waves_11695.png
seismic_waves_11695.png
0.891492
DQ_001430
Where is it most likely to experience these phenomena?
abc_question_images/seismic_waves_11705.png
a. In the innermost regions of the planet, b. In subduction zones, c. Near urban regions, d. Near plate boundaries
d
DQ_001699
image
question_images/seismic_waves_1705.png
seismic_waves_1705.png
0.863533
DQ_001430
Where is it most likely to experience these phenomena?
abc_question_images/seismic_waves_11705.png
a. In the innermost regions of the planet, b. In subduction zones, c. Near urban regions, d. Near plate boundaries
d
DQ_001425
image
abc_question_images/seismic_waves_11696.png
seismic_waves_11696.png
0.860737
DQ_001430
Where is it most likely to experience these phenomena?
abc_question_images/seismic_waves_11705.png
a. In the innermost regions of the planet, b. In subduction zones, c. Near urban regions, d. Near plate boundaries
d
DQ_001434
image
abc_question_images/seismic_waves_18192.png
seismic_waves_18192.png
0.833889
DQ_001430
Where is it most likely to experience these phenomena?
abc_question_images/seismic_waves_11705.png
a. In the innermost regions of the planet, b. In subduction zones, c. Near urban regions, d. Near plate boundaries
d
DQ_001708
image
question_images/seismic_waves_7552.png
seismic_waves_7552.png
0.82419
DQ_001430
Where is it most likely to experience these phenomena?
abc_question_images/seismic_waves_11705.png
a. In the innermost regions of the planet, b. In subduction zones, c. Near urban regions, d. Near plate boundaries
d
DQ_001431
image
abc_question_images/seismic_waves_17555.png
seismic_waves_17555.png
0.820808
DQ_001430
Where is it most likely to experience these phenomena?
abc_question_images/seismic_waves_11705.png
a. In the innermost regions of the planet, b. In subduction zones, c. Near urban regions, d. Near plate boundaries
d
DQ_001704
image
question_images/seismic_waves_174.png
seismic_waves_174.png
0.818626
DQ_001430
Where is it most likely to experience these phenomena?
abc_question_images/seismic_waves_11705.png
a. In the innermost regions of the planet, b. In subduction zones, c. Near urban regions, d. Near plate boundaries
d
DQ_001697
image
question_images/seismic_waves_1695.png
seismic_waves_1695.png
0.800085
DQ_001430
Where is it most likely to experience these phenomena?
abc_question_images/seismic_waves_11705.png
a. In the innermost regions of the planet, b. In subduction zones, c. Near urban regions, d. Near plate boundaries
d
DQ_001958
image
abc_question_images/faults_10186.png
faults_10186.png
0.794306
DQ_001430
Where is it most likely to experience these phenomena?
abc_question_images/seismic_waves_11705.png
a. In the innermost regions of the planet, b. In subduction zones, c. Near urban regions, d. Near plate boundaries
d
T_3801
text
null
Although all electromagnetic waves travel at the same speed, they may differ in their wavelength and frequency.
0.523368
DQ_001430
Where is it most likely to experience these phenomena?
abc_question_images/seismic_waves_11705.png
a. In the innermost regions of the planet, b. In subduction zones, c. Near urban regions, d. Near plate boundaries
d
T_1499
text
null
If we were doing a scientific investigation we need to gather the information to test the hypotheses ourselves. We would do this by making observations or running experiments.
0.517416
DQ_001430
Where is it most likely to experience these phenomena?
abc_question_images/seismic_waves_11705.png
a. In the innermost regions of the planet, b. In subduction zones, c. Near urban regions, d. Near plate boundaries
d
T_0238
text
null
Have you ever seen a brilliant light show in the night sky? Sometimes the ions in the thermosphere glow at night. Storms on the Sun energize the ions and make them light up. In the Northern Hemisphere, the lights are called the northern lights, or aurora borealis. In the Southern Hemisphere, they are called southern lights, or aurora australis.
0.501216
DQ_001430
Where is it most likely to experience these phenomena?
abc_question_images/seismic_waves_11705.png
a. In the innermost regions of the planet, b. In subduction zones, c. Near urban regions, d. Near plate boundaries
d
T_0238
text
null
Have you ever seen a brilliant light show in the night sky? Sometimes the ions in the thermosphere glow at night. Storms on the Sun energize the ions and make them light up. In the Northern Hemisphere, the lights are called the northern lights, or aurora borealis. In the Southern Hemisphere, they are called southern lights, or aurora australis.
0.501216
DQ_001430
Where is it most likely to experience these phenomena?
abc_question_images/seismic_waves_11705.png
a. In the innermost regions of the planet, b. In subduction zones, c. Near urban regions, d. Near plate boundaries
d
T_0844
text
null
Eruptions can be explosive or non-explosive. Only rarely do gentle and explosive eruptions happen in the same volcano.
0.497049
DQ_001430
Where is it most likely to experience these phenomena?
abc_question_images/seismic_waves_11705.png
a. In the innermost regions of the planet, b. In subduction zones, c. Near urban regions, d. Near plate boundaries
d
T_4295
text
null
A low level of radiation occurs naturally in the environment. This is called background radiation. One source of background radiation is rocks, which may contain small amounts of radioactive elements such as uranium. Another source is cosmic rays. These are charged particles that arrive on Earth from outer space. Background radiation is generally considered to be safe for living things.
0.491588
DQ_001430
Where is it most likely to experience these phenomena?
abc_question_images/seismic_waves_11705.png
a. In the innermost regions of the planet, b. In subduction zones, c. Near urban regions, d. Near plate boundaries
d
T_0164
text
null
You know that ocean water is salty. But do you know why? How salty is it?
0.487622
DQ_001430
Where is it most likely to experience these phenomena?
abc_question_images/seismic_waves_11705.png
a. In the innermost regions of the planet, b. In subduction zones, c. Near urban regions, d. Near plate boundaries
d
T_3441
text
null
How fast is evolution? Can you actually see evolution happening within your lifetime? Usually evolution takes a long time. So how can we visualize how it has happened?
0.485615
DQ_001430
Where is it most likely to experience these phenomena?
abc_question_images/seismic_waves_11705.png
a. In the innermost regions of the planet, b. In subduction zones, c. Near urban regions, d. Near plate boundaries
d
T_0638
text
null
To understand minerals, we must first understand matter. Matter is the substance that physical objects are made of.
0.482099
DQ_001430
Where is it most likely to experience these phenomena?
abc_question_images/seismic_waves_11705.png
a. In the innermost regions of the planet, b. In subduction zones, c. Near urban regions, d. Near plate boundaries
d
T_0210
text
null
What explains all of these events? The answer can be summed up in one word: energy. Energy is defined as the ability to do work. Doing anything takes energy. A campfire obviously has energy. You can feel its heat and see its light.
0.481788
DQ_001431
What label refers to the earthquake focus?
abc_question_images/seismic_waves_17555.png
a. S, b. N, c. A, d. E
c
DQ_001431
image
abc_question_images/seismic_waves_17555.png
seismic_waves_17555.png
1
DQ_001431
What label refers to the earthquake focus?
abc_question_images/seismic_waves_17555.png
a. S, b. N, c. A, d. E
c
DQ_001721
image
question_images/seismic_waves_7555.png
seismic_waves_7555.png
0.873876
DQ_001431
What label refers to the earthquake focus?
abc_question_images/seismic_waves_17555.png
a. S, b. N, c. A, d. E
c
DQ_001434
image
abc_question_images/seismic_waves_18192.png
seismic_waves_18192.png
0.841606
DQ_001431
What label refers to the earthquake focus?
abc_question_images/seismic_waves_17555.png
a. S, b. N, c. A, d. E
c
DQ_001423
image
abc_question_images/seismic_waves_11695.png
seismic_waves_11695.png
0.832598
DQ_001431
What label refers to the earthquake focus?
abc_question_images/seismic_waves_17555.png
a. S, b. N, c. A, d. E
c
DQ_001425
image
abc_question_images/seismic_waves_11696.png
seismic_waves_11696.png
0.832372
DQ_001431
What label refers to the earthquake focus?
abc_question_images/seismic_waves_17555.png
a. S, b. N, c. A, d. E
c
DQ_001427
image
abc_question_images/seismic_waves_11705.png
seismic_waves_11705.png
0.820808
DQ_001431
What label refers to the earthquake focus?
abc_question_images/seismic_waves_17555.png
a. S, b. N, c. A, d. E
c
DQ_002104
image
abc_question_images/volcanoes_17675.png
volcanoes_17675.png
0.771791
DQ_001431
What label refers to the earthquake focus?
abc_question_images/seismic_waves_17555.png
a. S, b. N, c. A, d. E
c
DQ_001978
image
abc_question_images/faults_11734.png
faults_11734.png
0.76393
DQ_001431
What label refers to the earthquake focus?
abc_question_images/seismic_waves_17555.png
a. S, b. N, c. A, d. E
c
DQ_001967
image
abc_question_images/faults_11701.png
faults_11701.png
0.762629
DQ_001431
What label refers to the earthquake focus?
abc_question_images/seismic_waves_17555.png
a. S, b. N, c. A, d. E
c
DQ_001708
image
question_images/seismic_waves_7552.png
seismic_waves_7552.png
0.762284
DQ_001431
What label refers to the earthquake focus?
abc_question_images/seismic_waves_17555.png
a. S, b. N, c. A, d. E
c
T_0804
text
null
Where an earthquake takes place is described by its focus and epicenter.
0.767406
DQ_001431
What label refers to the earthquake focus?
abc_question_images/seismic_waves_17555.png
a. S, b. N, c. A, d. E
c
T_1649
text
null
Earthquakes are described in terms of what nearby residents felt and the damage that was done to nearby structures. What factors would go into determining the damage that was done and what the residents felt in a region?
0.743455
DQ_001431
What label refers to the earthquake focus?
abc_question_images/seismic_waves_17555.png
a. S, b. N, c. A, d. E
c
T_1648
text
null
People have always tried to quantify the size of and damage done by earthquakes. Since early in the 20th century, there have been three methods. What are the strengths and weaknesses of each?
0.741352
DQ_001431
What label refers to the earthquake focus?
abc_question_images/seismic_waves_17555.png
a. S, b. N, c. A, d. E
c
T_1096
text
null
Deadly earthquakes occur at transform plate boundaries. Transform faults have shallow focus earthquakes. Why do you think this is so?
0.720741
DQ_001431
What label refers to the earthquake focus?
abc_question_images/seismic_waves_17555.png
a. S, b. N, c. A, d. E
c
T_1566
text
null
Scientists are a long way from being able to predict earthquakes. A good prediction must be detailed and accurate. Where will the earthquake occur? When will it occur? What will be the magnitude of the quake? With a good prediction authorities could get people to evacuate. An unnecessary evacuation is expensive and causes people not to believe authorities the next time an evacuation is ordered.
0.713814
DQ_001431
What label refers to the earthquake focus?
abc_question_images/seismic_waves_17555.png
a. S, b. N, c. A, d. E
c
T_1080
text
null
An earthquake is sudden ground movement caused by the sudden release of energy stored in rocks. Earthquakes happen when so much stress builds up in the rocks that the rocks rupture. The energy is transmitted by seismic waves. Earthquakes can be so small they go completely unnoticed, or so large that it can take years for a region to recover.
0.710863
DQ_001431
What label refers to the earthquake focus?
abc_question_images/seismic_waves_17555.png
a. S, b. N, c. A, d. E
c
T_0828
text
null
The moment magnitude scale is the favored method of measuring earthquake magnitudes. It measures the total energy released by an earthquake. Moment magnitude is calculated by two things. One is the length of the fault break. The other is the distance the ground moves along the fault.
0.690235
DQ_001431
What label refers to the earthquake focus?
abc_question_images/seismic_waves_17555.png
a. S, b. N, c. A, d. E
c
T_0811
text
null
Earthquakes also occur at divergent plate boundaries. At mid-ocean ridges, these earthquakes tend to be small and shallow focus because the plates are thin, young, and hot. Earthquakes in the oceans are usually far from land, so they have little effect on peoples lives. On land, where continents are rifting apart, earthquakes are larger and stronger.
0.678412
DQ_001431
What label refers to the earthquake focus?
abc_question_images/seismic_waves_17555.png
a. S, b. N, c. A, d. E
c
T_1725
text
null
There are many things you can do to protect yourself before, during, and after an earthquake.
0.671537
DQ_001431
What label refers to the earthquake focus?
abc_question_images/seismic_waves_17555.png
a. S, b. N, c. A, d. E
c
T_0815
text
null
There are two major types of seismic waves. Body waves travel through the Earths interior. Surface waves travel along the ground surface. In an earthquake, body waves are responsible for sharp jolts. Surface waves are responsible for rolling motions that do most of the damage in an earthquake.
0.669691
DQ_001432
Where is the epicenter?
abc_question_images/seismic_waves_17555.png
a. A, b. N, c. E, d. S
c
DQ_001431
image
abc_question_images/seismic_waves_17555.png
seismic_waves_17555.png
1
DQ_001432
Where is the epicenter?
abc_question_images/seismic_waves_17555.png
a. A, b. N, c. E, d. S
c
DQ_001721
image
question_images/seismic_waves_7555.png
seismic_waves_7555.png
0.873876
DQ_001432
Where is the epicenter?
abc_question_images/seismic_waves_17555.png
a. A, b. N, c. E, d. S
c
DQ_001434
image
abc_question_images/seismic_waves_18192.png
seismic_waves_18192.png
0.841606
DQ_001432
Where is the epicenter?
abc_question_images/seismic_waves_17555.png
a. A, b. N, c. E, d. S
c
DQ_001423
image
abc_question_images/seismic_waves_11695.png
seismic_waves_11695.png
0.832598
DQ_001432
Where is the epicenter?
abc_question_images/seismic_waves_17555.png
a. A, b. N, c. E, d. S
c
DQ_001425
image
abc_question_images/seismic_waves_11696.png
seismic_waves_11696.png
0.832372
DQ_001432
Where is the epicenter?
abc_question_images/seismic_waves_17555.png
a. A, b. N, c. E, d. S
c
DQ_001427
image
abc_question_images/seismic_waves_11705.png
seismic_waves_11705.png
0.820808
DQ_001432
Where is the epicenter?
abc_question_images/seismic_waves_17555.png
a. A, b. N, c. E, d. S
c
DQ_002104
image
abc_question_images/volcanoes_17675.png
volcanoes_17675.png
0.771791
DQ_001432
Where is the epicenter?
abc_question_images/seismic_waves_17555.png
a. A, b. N, c. E, d. S
c
DQ_001978
image
abc_question_images/faults_11734.png
faults_11734.png
0.76393
DQ_001432
Where is the epicenter?
abc_question_images/seismic_waves_17555.png
a. A, b. N, c. E, d. S
c
DQ_001967
image
abc_question_images/faults_11701.png
faults_11701.png
0.762629
DQ_001432
Where is the epicenter?
abc_question_images/seismic_waves_17555.png
a. A, b. N, c. E, d. S
c
DQ_001708
image
question_images/seismic_waves_7552.png
seismic_waves_7552.png
0.762284
DQ_001432
Where is the epicenter?
abc_question_images/seismic_waves_17555.png
a. A, b. N, c. E, d. S
c
T_0804
text
null
Where an earthquake takes place is described by its focus and epicenter.
0.547263
DQ_001432
Where is the epicenter?
abc_question_images/seismic_waves_17555.png
a. A, b. N, c. E, d. S
c
T_1566
text
null
Scientists are a long way from being able to predict earthquakes. A good prediction must be detailed and accurate. Where will the earthquake occur? When will it occur? What will be the magnitude of the quake? With a good prediction authorities could get people to evacuate. An unnecessary evacuation is expensive and causes people not to believe authorities the next time an evacuation is ordered.
0.444967
DQ_001432
Where is the epicenter?
abc_question_images/seismic_waves_17555.png
a. A, b. N, c. E, d. S
c
T_0806
text
null
The area just above the focus, on the land surface, is the earthquakes epicenter (Figure 7.22). The towns or cities near the epicenter will be strongly affected by the earthquake.
0.443776
DQ_001432
Where is the epicenter?
abc_question_images/seismic_waves_17555.png
a. A, b. N, c. E, d. S
c
T_0382
text
null
Most maps use a grid of lines to help you to find your location. This grid system is called a geographic coordinate system. Using this system you can define your location by two numbers, latitude and longitude. Both numbers are angles between your location, the center of Earth, and a reference line (Figure 2.20).
0.423685
DQ_001432
Where is the epicenter?
abc_question_images/seismic_waves_17555.png
a. A, b. N, c. E, d. S
c
T_4322
text
null
Distance is the length of the route between two points. The distance of a race, for example, is the length of the track between the starting and finishing lines. In a 100-meter sprint, that distance is 100 meters.
0.416649
DQ_001432
Where is the epicenter?
abc_question_images/seismic_waves_17555.png
a. A, b. N, c. E, d. S
c
T_1096
text
null
Deadly earthquakes occur at transform plate boundaries. Transform faults have shallow focus earthquakes. Why do you think this is so?
0.414135
DQ_001432
Where is the epicenter?
abc_question_images/seismic_waves_17555.png
a. A, b. N, c. E, d. S
c
T_0164
text
null
You know that ocean water is salty. But do you know why? How salty is it?
0.41244
DQ_001432
Where is the epicenter?
abc_question_images/seismic_waves_17555.png
a. A, b. N, c. E, d. S
c
T_1292
text
null
Hurricanes called typhoons in the Pacific are also cyclones. They are cyclones that form in the tropics and so they are also called tropical cyclones. By any name, they are the most damaging storms on Earth.
0.407645
DQ_001432
Where is the epicenter?
abc_question_images/seismic_waves_17555.png
a. A, b. N, c. E, d. S
c
T_0810
text
null
The collision of two continents also creates massive earthquakes. Many earthquakes happen in the region in and around the Himalayan Mountains. The 2001 Gujarat, India earthquake is responsible for about 20,000 deaths, with many more people injured or made homeless.
0.405157
DQ_001432
Where is the epicenter?
abc_question_images/seismic_waves_17555.png
a. A, b. N, c. E, d. S
c
T_1649
text
null
Earthquakes are described in terms of what nearby residents felt and the damage that was done to nearby structures. What factors would go into determining the damage that was done and what the residents felt in a region?
0.404467
DQ_001433
Which letter represents the focus?
abc_question_images/seismic_waves_17555.png
a. S, b. E, c. N, d. A
b
DQ_001431
image
abc_question_images/seismic_waves_17555.png
seismic_waves_17555.png
1
DQ_001433
Which letter represents the focus?
abc_question_images/seismic_waves_17555.png
a. S, b. E, c. N, d. A
b
DQ_001721
image
question_images/seismic_waves_7555.png
seismic_waves_7555.png
0.873876
DQ_001433
Which letter represents the focus?
abc_question_images/seismic_waves_17555.png
a. S, b. E, c. N, d. A
b
DQ_001434
image
abc_question_images/seismic_waves_18192.png
seismic_waves_18192.png
0.841606
DQ_001433
Which letter represents the focus?
abc_question_images/seismic_waves_17555.png
a. S, b. E, c. N, d. A
b
DQ_001423
image
abc_question_images/seismic_waves_11695.png
seismic_waves_11695.png
0.832598
DQ_001433
Which letter represents the focus?
abc_question_images/seismic_waves_17555.png
a. S, b. E, c. N, d. A
b
DQ_001425
image
abc_question_images/seismic_waves_11696.png
seismic_waves_11696.png
0.832372
DQ_001433
Which letter represents the focus?
abc_question_images/seismic_waves_17555.png
a. S, b. E, c. N, d. A
b
DQ_001427
image
abc_question_images/seismic_waves_11705.png
seismic_waves_11705.png
0.820808
DQ_001433
Which letter represents the focus?
abc_question_images/seismic_waves_17555.png
a. S, b. E, c. N, d. A
b
DQ_002104
image
abc_question_images/volcanoes_17675.png
volcanoes_17675.png
0.771791
DQ_001433
Which letter represents the focus?
abc_question_images/seismic_waves_17555.png
a. S, b. E, c. N, d. A
b
DQ_001978
image
abc_question_images/faults_11734.png
faults_11734.png
0.76393
DQ_001433
Which letter represents the focus?
abc_question_images/seismic_waves_17555.png
a. S, b. E, c. N, d. A
b
DQ_001967
image
abc_question_images/faults_11701.png
faults_11701.png
0.762629
DQ_001433
Which letter represents the focus?
abc_question_images/seismic_waves_17555.png
a. S, b. E, c. N, d. A
b
DQ_001708
image
question_images/seismic_waves_7552.png
seismic_waves_7552.png
0.762284
DQ_001433
Which letter represents the focus?
abc_question_images/seismic_waves_17555.png
a. S, b. E, c. N, d. A
b
T_3491
text
null
Vitamins and minerals are also nutrients. They do not provide energy, but they are needed for good health.
0.574619
DQ_001433
Which letter represents the focus?
abc_question_images/seismic_waves_17555.png
a. S, b. E, c. N, d. A
b
T_0726
text
null
Nuclear energy is produced by splitting the nucleus of an atom. This releases a huge amount of energy.
0.560451
DQ_001433
Which letter represents the focus?
abc_question_images/seismic_waves_17555.png
a. S, b. E, c. N, d. A
b
T_4715
text
null
Compare and contrast the basic properties of matter, such as mass and volume.
0.550053
DQ_001433
Which letter represents the focus?
abc_question_images/seismic_waves_17555.png
a. S, b. E, c. N, d. A
b
T_0698
text
null
Energy changes form when something happens. But the total amount of energy always stays the same. The Law of Conservation of Energy says that energy cannot be created or destroyed. Scientists observed that energy could change from one form to another. They also observed that the overall amount of energy did not change.
0.548926
DQ_001433
Which letter represents the focus?
abc_question_images/seismic_waves_17555.png
a. S, b. E, c. N, d. A
b
T_3773
text
null
Sound has certain characteristic properties because of the way sound energy travels in waves. Properties of sound include speed, loudness, and pitch.
0.54494
DQ_001433
Which letter represents the focus?
abc_question_images/seismic_waves_17555.png
a. S, b. E, c. N, d. A
b
T_1797
text
null
The two types of air pollutants are primary pollutants, which enter the atmosphere directly, and secondary pollutants, which form from a chemical reaction.
0.544054
DQ_001433
Which letter represents the focus?
abc_question_images/seismic_waves_17555.png
a. S, b. E, c. N, d. A
b
T_1447
text
null
Minerals are divided into groups based on chemical composition. Most minerals fit into one of eight mineral groups.
0.53971
DQ_001433
Which letter represents the focus?
abc_question_images/seismic_waves_17555.png
a. S, b. E, c. N, d. A
b
T_0638
text
null
To understand minerals, we must first understand matter. Matter is the substance that physical objects are made of.
0.539117
DQ_001433
Which letter represents the focus?
abc_question_images/seismic_waves_17555.png
a. S, b. E, c. N, d. A
b
T_2237
text
null
All known matter can be divided into a little more than 100 different substances called elements.
0.538498
DQ_001433
Which letter represents the focus?
abc_question_images/seismic_waves_17555.png
a. S, b. E, c. N, d. A
b
T_3488
text
null
You probably know people who need eyeglasses or contact lenses to see clearly. Maybe you need them yourself. Lenses are used to correct vision problems. Two of the most common vision problems are myopia and hyperopia.
0.537834
DQ_001434
Which label shows the epicenter?
abc_question_images/seismic_waves_18192.png
a. X, b. S, c. Y, d. V
c
DQ_001434
image
abc_question_images/seismic_waves_18192.png
seismic_waves_18192.png
1
DQ_001434
Which label shows the epicenter?
abc_question_images/seismic_waves_18192.png
a. X, b. S, c. Y, d. V
c
DQ_001423
image
abc_question_images/seismic_waves_11695.png
seismic_waves_11695.png
0.858647
DQ_001434
Which label shows the epicenter?
abc_question_images/seismic_waves_18192.png
a. X, b. S, c. Y, d. V
c
DD_0048
image
teaching_images/seismic_waves_8192.png
This diagram shows the nature of earthquakes. An earthquake is sudden ground movement. This movement is caused by the sudden release of the energy stored in rocks. An earthquake happens when so much stress builds up in the rocks that the rocks break and energy is transmitted by seismic waves. As depicted in the diagram, Focus is the point where the rock ruptures are the earthquakes focus. The area just above the focus, on the land surface, is the earthquakes epicenter.
0.856735
DQ_001434
Which label shows the epicenter?
abc_question_images/seismic_waves_18192.png
a. X, b. S, c. Y, d. V
c
DQ_001431
image
abc_question_images/seismic_waves_17555.png
seismic_waves_17555.png
0.841606
DQ_001434
Which label shows the epicenter?
abc_question_images/seismic_waves_18192.png
a. X, b. S, c. Y, d. V
c
DQ_001425
image
abc_question_images/seismic_waves_11696.png
seismic_waves_11696.png
0.838964
DQ_001434
Which label shows the epicenter?
abc_question_images/seismic_waves_18192.png
a. X, b. S, c. Y, d. V
c
DQ_001427
image
abc_question_images/seismic_waves_11705.png
seismic_waves_11705.png
0.833889
DQ_001434
Which label shows the epicenter?
abc_question_images/seismic_waves_18192.png
a. X, b. S, c. Y, d. V
c
DQ_001708
image
question_images/seismic_waves_7552.png
seismic_waves_7552.png
0.813544
DQ_001434
Which label shows the epicenter?
abc_question_images/seismic_waves_18192.png
a. X, b. S, c. Y, d. V
c
DQ_001967
image
abc_question_images/faults_11701.png
faults_11701.png
0.806707
DQ_001434
Which label shows the epicenter?
abc_question_images/seismic_waves_18192.png
a. X, b. S, c. Y, d. V
c
DQ_001721
image
question_images/seismic_waves_7555.png
seismic_waves_7555.png
0.780161
DQ_001434
Which label shows the epicenter?
abc_question_images/seismic_waves_18192.png
a. X, b. S, c. Y, d. V
c
DQ_001704
image
question_images/seismic_waves_174.png
seismic_waves_174.png
0.779505
DQ_001434
Which label shows the epicenter?
abc_question_images/seismic_waves_18192.png
a. X, b. S, c. Y, d. V
c
T_0804
text
null
Where an earthquake takes place is described by its focus and epicenter.
0.512465
DQ_001434
Which label shows the epicenter?
abc_question_images/seismic_waves_18192.png
a. X, b. S, c. Y, d. V
c
T_0806
text
null
The area just above the focus, on the land surface, is the earthquakes epicenter (Figure 7.22). The towns or cities near the epicenter will be strongly affected by the earthquake.
0.451532
DQ_001434
Which label shows the epicenter?
abc_question_images/seismic_waves_18192.png
a. X, b. S, c. Y, d. V
c
T_0382
text
null
Most maps use a grid of lines to help you to find your location. This grid system is called a geographic coordinate system. Using this system you can define your location by two numbers, latitude and longitude. Both numbers are angles between your location, the center of Earth, and a reference line (Figure 2.20).
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DQ_001434
Which label shows the epicenter?
abc_question_images/seismic_waves_18192.png
a. X, b. S, c. Y, d. V
c
T_1381
text
null
How would you find Old Faithful? One way is by using latitude and longitude. Any location on Earths surface or on a map can be described using these coordinates. Latitude and longitude are expressed as degrees that are divided into 60 minutes. Each minute is divided into 60 seconds.
0.412406
DQ_001434
Which label shows the epicenter?
abc_question_images/seismic_waves_18192.png
a. X, b. S, c. Y, d. V
c
T_0383
text
null
Lines of latitude circle around Earth. The equator is a line of latitude right in the middle of the planet. The equator is an equal distance from both the North and South Pole. If you know your latitude, you know how far you are north or south of the equator.
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DQ_001434
Which label shows the epicenter?
abc_question_images/seismic_waves_18192.png
a. X, b. S, c. Y, d. V
c
T_0392
text
null
As we mentioned above, topographic maps show the shape of the land. You can determine a lot of information about the landscape using a topographic map. These maps are invaluable for Earth scientists.
0.407247
DQ_001434
Which label shows the epicenter?
abc_question_images/seismic_waves_18192.png
a. X, b. S, c. Y, d. V
c
T_4953
text
null
Like a bar magnet, planet Earth has north and south magnetic poles and a magnetic field over which it exerts magnetic force. Earths magnetic field is called the magnetosphere. You can see it in the Figure 1.1.
0.393788
DQ_001434
Which label shows the epicenter?
abc_question_images/seismic_waves_18192.png
a. X, b. S, c. Y, d. V
c
T_3941
text
null
Why do different states of matter have different properties? Its because of differences in energy at the level of atoms and molecules, the tiny particles that make up matter.
0.391017
DQ_001434
Which label shows the epicenter?
abc_question_images/seismic_waves_18192.png
a. X, b. S, c. Y, d. V
c
T_0164
text
null
You know that ocean water is salty. But do you know why? How salty is it?
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DQ_001434
Which label shows the epicenter?
abc_question_images/seismic_waves_18192.png
a. X, b. S, c. Y, d. V
c
T_3860
text
null
Electric current cannot travel through empty space. It needs a material through which to travel. However, when current travels through a material, the flowing electrons collide with particles of the material, and this creates resistance.
0.39082