Earthquakes And Volcanos Flashcards

1
Q

A vibration caused by an eathquake

A

Seismic wave

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2
Q

An instrument that detects and records earthquakes; show seismic waves as curvy lines along a graph

A

Seismograph

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3
Q

An instrument that detects and records vibrations

A

Seismometer

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4
Q

Bridges, buildings and roads were wrecked because of the ____________ earthquake

A

San Francisco

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5
Q

_________ affected people by destroying 250 homes

A

Mount Saint Helens

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6
Q

Earthquakes affect the environment by knocking down trees and causing

A

Landslides

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7
Q

Volcanoes affect the environment by ___________ he air

A

Polluting

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8
Q

Volcanoes affect the environment by animals losing their

A

Habitat

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9
Q

Volcanoes affect the environment by the hot _______ can burn forests

A

Lova

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10
Q

_________ is a mountain that builds up around an opening in the earth’s crust

A

Volcano

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11
Q

Volcanoes occur at opening in the Earth’s _________

A

Crust

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12
Q

Volcanoes affect plants by __________ the plants

A

Killing

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13
Q

________ can help plants grow

A

Volcano

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14
Q

_____________ is a sudden shaking of the Earth’s Crust

A

Earthquake

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15
Q

Sudden movements along a _________ is what causes Earthquakes

A

Fault

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16
Q

An ocean earthquake may cause a _________

A

Tsunami

17
Q

__________ is a line of weakness in rocks

A

Fault

18
Q

Giving people advance notice of earthquakes and volcanoes can help keep them _________

A

Sate

19
Q

Natural hazards have helped scientists understand more about the Earth’s ________

A

Structure