Earthquakes geofest5 Word Scramble

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Question	Answer
How many types of waves do earthquakes produce?	3
Which waves move out from the focus and move the fastest?	P-Primary Waves
Which type of wave can move only through solids?	S-Secondary Waves
P waves can move through _______ and ________.	solids and liquids
Push and pull rock creating a back-and-forth motion in the direction the wave is moving (longitudinal wave)	P-waves
What types of waves form when P and S waves reach the surface? ·	Surface Waves
Which waves move out from the earthquake focus and move slower than primary waves?	S waves
__________ ___________ can cause the ground to shake making rock sway from side to side and roll like an ocean wave	surface waves
Which type of wave Move at right angles to primary waves causing rocks to move up and down and side to side (transverse wave)	s waves
Scientists use the principle that the speed and direction of a seismic wave depends on	the material it travels through.
Because of the behavior of these different waves, scientists have indirect evidence for ____________________.	the solid inner core and liquid outer core of Earth
because earthquake waves travel faster through the mantle than through the crust, scientists know that the	mantle is denser than the crust.
The movement of materials in the outer core of Earth is inferred to be the cause of Earth’s	magnetic field.
The epicenter is the point on Earth’s surface directly above _____________________________.	where the energy is released in an earthquake.
The energy spreads outward in all directions as vibrations called	seismic waves.
Seismic waves can be measured and recorded by a	seismograph.
The vibration record, called a _______, looks like jagged lines on paper.	seismogram
Measuring the time between the arrival of the P and S waves determines ___________________.	the distance between the recording seismograph and the earthquake epicenter.
_____________ identifies the epicenter of an earthquake. The location of an earthquake’s epicenter is found by plotting circles on a map from the records of three seismograph stations and finding the point where the three circles intersect.	Triangulation

Created by: dalmueller