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Flashcards on Seismic Waves
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What are seismic waves?
Vibrations that travel through the Earth's interior when an earthquake occurs.
What are the two main types of seismic waves?
P-waves (Primary or Pressure waves) and S-waves (Secondary or Shear waves).
What is the speed of P-waves compared to S-waves?
Faster than S-waves.
What is the nature of P-waves?
Compressional waves that cause particles to move back and forth in the same direction as the wave.
In which layers of the Earth can P-waves travel through?
Both solid and liquid layers of the Earth.
Can P-waves travel through the Earth's core?
Yes.
What is the speed of S-waves compared to P-waves?
Slower than P-waves.
What is the nature of S-waves?
Transverse waves that cause particles to move perpendicular to the wave direction.
In which layers of the Earth can S-waves travel through?
Only solid layers of the Earth.
Can S-waves travel through the Earth's core?
No.
What are surface waves?
Waves that move along the Earth's surface and are slower than P and S-waves.
What causes most of the destruction during an earthquake?
Surface waves.
What instrument is used to detect and record seismic waves?
Seismographs.
How do seismic waves behave as they pass through different materials?
Seismic waves can refract, reflect, and diffract.
Why is studying seismic waves important?
It helps in earthquake prediction, understanding the Earth's structure, and locating natural resources.
How can understanding seismic waves help in building construction?
It helps in building construction that can withstand earthquakes.
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Test Your Knowledge
Which type of seismic wave is faster?
P-waves
S-waves
Surface waves
Both P-waves and S-waves
Check Answers
Which type of seismic wave can travel through the Earth's core?
P-waves
S-waves
Surface waves
None of the above
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What kind of waves are P-waves?
Transverse waves
Compressional waves
Surface waves
None of the above
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Which seismic waves can travel through both solid and liquid layers of the Earth?
P-waves
S-waves
Both P-waves and S-waves
Surface waves
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What causes most of the destruction during an earthquake?
P-waves
S-waves
Surface waves
All of the above
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What do seismographs detect and record?
Tornadoes
Seismic waves
Volcanic eruptions
Hurricanes
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How do seismic waves behave as they pass through different materials?
They remain unchanged
They can refract, reflect, and diffract
They disappear
None of the above
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What is the primary purpose of studying seismic waves?
To understand the Earth's atmosphere
To predict earthquakes
To study marine life
To explore outer space
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How can understanding seismic waves help in earthquake preparedness?
By developing early warning systems
By predicting tornadoes
By building tall buildings
By detecting tsunamis
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Why is understanding seismic waves important in locating natural resources?
To study weather patterns
To track migration patterns of animals
To find oil and minerals
To explore underwater ecosystems
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