Ephrata Middle School Science Miss Rand Plate Tectonics

Which scale would most likely be used #1 Which scale would most likely be used To tell how much earthquake damage Was done to homes and other buildings? Mercalli Scale Ricter scale A: B: Seismic scale The big, bad and ugly scale C: D:

Mercalli Scale

If the coast guard warns of a giant #2 If the coast guard warns of a giant Wave of water approaching the shore The result of a major earthquake, they Are warning of liquefaction A: aftershocks B: tsunami C: D: landslide

tsunami

Which of the following can cause Damage days or months after #3 Which of the following can cause Damage days or months after A large earthquake? tsunami A: S waves B: liquifaction aftershock C: D:

aftershock

The best way to protect yourself #4 The best way to protect yourself In an earthquake is to Run as fast as you can Drop, cover, and hold A: B: Stay under a tree and cry Go into the basement C: D:

Drop, cover and hold

Earthquakes are not likely Earthquakes are likely #5 Geologists know that whenever plate movement stores energy in the rock along faults, Earthquakes are not likely Earthquakes are likely A: B: An earthquake is occurring An earthquake could never occur C: D:

Earthquakes are likely

The risk of earthquakes is high along #6 The risk of earthquakes is high along the Pacific coast of the United States because… There has been not EQs there lately There is more overweight people that live on the Pacific coast A: B: It’s where Pacific and North American plates meet Satellites detect increasing elevation C: D:

It’s where Pacific and North American plates meet

Most earthquake related injuries #7 Most earthquake related injuries and deaths result from divergent A: tsunamis B: Damage to buildings or other structures P waves C: D:

Damage to buildings or other structures

Through the mantle only #8 In what direction do seismic waves carry the energy of an earthquake Away from the focus Toward the focus A: B: From surface to the interior Through the mantle only C: D:

Away from the focus

#9 What type of earthquake wave travels through both liquid and solid P waves A: B: Focus waves S waves surface waves C: D:

P waves

#10 Rating system that estimates total energy released by an earthquake is called the.. Seismograph scale Richter scale A: B: Momentum magnitude scale C: D: Mercalli scale

Richter scale

Geologists can not yet predict #11 Geologists can not yet predict earthquakes because.. can’t be sure where rock stress will be released A: Too much data B: Need to know where all past EQs occurred too many faults to monitor C: D:

can’t be sure where rock stress will be released

Volcanic belts form along #12 Volcanic belts form along Islands in the Pacific Ocean Boundaries of Earth’s plates A: B: the waists of people that wear pants that are too big for them North America mountain ranges C: D:

Boundaries of Earth’s plates

The formation of the Hawaiian Islands is one example of #13 The formation of the Hawaiian Islands is one example of Volcanoes forming over a hot spot A: B: The Ring of Fire Volcanoes forming along plate boundaries Continental drift C: D:

Volcanoes forming over a hot spot

#14 Liquid magma flows upward through the cracks in rock because it is More dense than surrounding solid material Highly fluid A: B: Less dense than surrounding solid material Highly magnetic C: D:

Less dense than surrounding solid material

The long tube in the ground that connects the magma chamber #15 The long tube in the ground that connects the magma chamber to the Earth’s surface is called… Straw tube pipe A: B: Side vent vent C: D:

Pipe

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