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WorksheetsEartquake Waves (Pretest)
Total questions: 15
Worksheet time: 6mins
How do rock particles move during the passage of a Primary wave (P-waves)
through the rock?
the particles do not move
in a rolling circular motion
back and forth parallel to the direction of wave travel
back and forth perpendicular to the direction of wave travel
Which of the following sequences correctly lists the different arrivals of the waves from first to the last?
P waves → S waves → Surface waves
Surface waves → P waves → S waves
P waves → Surface waves → S waves
S waves → P waves → Surface waves
What causes the up-and-down wiggles on the seismogram shown above?
tsunami waves
ground vibrations
electromagnetic pulses
variations in air pressure
Which set of waves are probably the surface waves?
Wave A
Wave B
Wave C
They are all surface waves.
Which set of waves are the P waves?
Wave A
Wave B
Wave C
They are all P waves
Which set of waves are the S waves?
Wave A
Wave B
Wave C
They are all S waves
Which of the following statements BEST describes secondary waves (S-waves)?
circular motions like an ocean wave
snake-like motions parallel to the Earth's surface
contractions and expansions that are in the direction of wave propagation
shearing motions that are at right angles to the direction of wave propagation
What is the useful information regarding the composition of the interior of the Earth can be derived from earthquake waves?
It changes radioactive decay rates of rocks.
It releases materials from within the Earth.
It travels through the Earth at a constant speed.
It travels at different rates through different materials.
Which layer of the Earth does S-waves do not travel?
core
crust
mantle
moho
Which of the following earthquake waves can travel through both solids and fluids?
P waves only
S waves only
Q-waves only
Both P and S waves
Which seismic waves travel through the interior layer of the Earth?
body waves
deep waves
inner waves
surface waves
What do you call the motion or vibration of earthquake that travels outward from the focus?
chemical energy
electromagnetic waves
gravity waves
seismic waves
In the upper part of the mantle, the earthquake waves slow down. It is explained that ________.
that outer core is solid.
rocks are partially molten
at depth the rocks are denser.
rocks confined at that particular location tightly packed together.
What is the most destructive earthquake wave?
S waves
P waves
Q waves
Surface waves
Which statement best explains why the P-wave of an earthquake arrives at a seismic station before the S-wave?
The S wave originates from the earthquake focus.
The P wave has a greater velocity than the S wave.
The P wave originates from the earthquake epicenter.
The S wave decreases in velocity as it passes through the liquid.
