| ppefmh | Ed | Garstin | 1/4 | The diagrams below show the patterns of S waves and P waves after an earthquake. |  |  |
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This is due to the Earth's rotation.

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This is due to the Earth's magnetic field.
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This is due to the density changes in the Earth's interior?
| Regions where S waves cannot be detected are called the S wave shadow zone. |  |
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S waves are transverse waves and cannot travel through liquids. This means that S waves cannot pass through the outer core (which is a liquid). As we can see from the diagram above.
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S waves are longitudinal waves and cannot travel through liquids. This means that S waves cannot pass through the outer core (which is a liquid). As we can see from the diagram above.
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S waves are magnetically charged waves and cannot travel through liquids. This means that S waves cannot pass through the outer core (which is a liquid). As we can see from the diagram above.

| Regions where P waves cannot be detected are called the P wave shadow zone. |  |
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P waves travel faster in solids than in liquids. This means that when P waves enter the liquid outer core, they slow down. This causes them to change direction (refract). They also refract when they pass out of the outer core. This means that P waves do not pass into the P wave shadow zones.
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P waves travel slower in solids than in liquids. This means that when P waves enter the liquid inner core, they slow down. This causes them to change direction (refract). They also refract when they pass out of the inner core. This means that P waves do not pass into the P wave shadow zones.

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P waves travel faster in liquids than in solids. This means that when P waves enter the liquid outer core, they slow down. This causes them to change direction (refract). They also refract when they pass out of the outer core. This means that P waves do not pass into the P wave shadow zones.
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Very faint P waves can sometimes be detected in the P wave shadow zone. This told scientists that the Earth must contain a solid inner core.

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Very faint S waves can sometimes be detected in the P wave shadow zone. This told scientists that the Earth must contain a solid inner core.
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Very faint P waves can sometimes be detected in the S wave shadow zone. This told scientists that the Earth must contain a solid inner core.
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| ppefmh | Ed | Garstin | 0/4 | The diagrams below show the patterns of S waves and P waves after an earthquake. |  |  |
-
This is due to the Earth's rotation.
-
This is due to the Earth's magnetic field.

-
This is due to the density changes in the Earth's interior?
| Regions where S waves cannot be detected are called the S wave shadow zone. |  |
-
S waves are transverse waves and cannot travel through liquids. This means that S waves cannot pass through the outer core (which is a liquid). As we can see from the diagram above.
-
S waves are longitudinal waves and cannot travel through liquids. This means that S waves cannot pass through the outer core (which is a liquid). As we can see from the diagram above.
-
S waves are magnetically charged waves and cannot travel through liquids. This means that S waves cannot pass through the outer core (which is a liquid). As we can see from the diagram above.

| Regions where P waves cannot be detected are called the P wave shadow zone. |  |
-
P waves travel faster in solids than in liquids. This means that when P waves enter the liquid outer core, they slow down. This causes them to change direction (refract). They also refract when they pass out of the outer core. This means that P waves do not pass into the P wave shadow zones.
-
P waves travel slower in solids than in liquids. This means that when P waves enter the liquid inner core, they slow down. This causes them to change direction (refract). They also refract when they pass out of the inner core. This means that P waves do not pass into the P wave shadow zones.
-
P waves travel faster in liquids than in solids. This means that when P waves enter the liquid outer core, they slow down. This causes them to change direction (refract). They also refract when they pass out of the outer core. This means that P waves do not pass into the P wave shadow zones.

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Very faint P waves can sometimes be detected in the P wave shadow zone. This told scientists that the Earth must contain a solid inner core.
-
Very faint S waves can sometimes be detected in the P wave shadow zone. This told scientists that the Earth must contain a solid inner core.

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Very faint P waves can sometimes be detected in the S wave shadow zone. This told scientists that the Earth must contain a solid inner core.
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