Earthquakes
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is the place where the earthquake cracks? | focus
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| What is the spot on the surface directly above the earthquake's focus? | epicenter (where the most damage happens)
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| Which are the fastest-moving waves? | P (primary) waves
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| Which type of waves can travel through solids, liquids, and gases? | P (primary) waves
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| Which are the second fastest-moving waves? | S (secondary) waves
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| Which type of waves can only travel through solids? | S (secondary) waves
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| Which are the last waves to leave the focus? | surface waves
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| What instrument measures and records earthquake waves? | seismograph
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| Which scale is used to measure an earthquake's intensity based on eyewitness observations? | Mercalli scale
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| Which is a mathematical scale that measures the actual amount of seismic activity of an earthquake? | Richter scale
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| Which is the more accurate earthquake scale? | Richter scale
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| Who developed the Richter scale in 1936? | Charles F. Richter
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| What are the tremors called that follow major earthquakes and can cause damage? | aftershock
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| What is a very large ocean wave caused by an underwater earthquake or volcanic eruption? | tsunami
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| What are waves of energy that travel through the Earth called? | seismic waves
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| What is the outermost, rigid layer of the Earth composed of the stiff upper layer of mantle and crust called? | lithosphere
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| Where do most earthquakes happen? | at plate boundaries
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| Where do the most severe earthquakes happen? | at convergent boundaries
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| Which type of fault is where two fault blocks move past each other horizontally? | strike slip fault
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| Which type of fault is where two fault blocks move past each other vertically? | dip slip fault
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| Which type of fault is where the hanging wall moves down? | normal fault
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| Which type of fault is where the hanging wall moves up? | reverse fault
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| Which type of reverse fault is has a gently dipping fault surface? | thrust fault
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| What is a break in the earth's surface? | fracture
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| What is the land mass above the fault-slides called? | hanging wall
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| What is the land mass below the fault called? | footwall
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| What type of mountains are formed when converging rock layers are squeezed together and pushed upward | folded mountains
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| What type of mountains are formed at divergent boundaries? | fault block mountains
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| What is the process of mountain formation called? | orogenesis
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Created by:
CooperLane
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