earthquakes & volcanoes!
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Earthquakes & Volcanoes!. Trivia. Earthquakes. What do you call a crack or fracture in the Earth’s crust?. Earthquakes. What do you call a crack or fracture in the Earth’s crust? A Fault. Earthquakes. Most earthquakes occur along _______ _____________. (2 words). Earthquakes. - PowerPoint PPT PresentationTRANSCRIPT
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EARTHQUAKES & VOLCANOES!
Trivia
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Earthquakes•What do you call a crack or fracture in the Earth’s crust?
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Earthquakes•What do you call a crack or fracture in the Earth’s crust?
•A Fault
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Earthquakes•Most earthquakes occur along _______ _____________. (2 words)
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Earthquakes•Most earthquakes occur along _______ _____________. (2 words)
Plate Boundaries
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Earthquakes•These are small earthquakes that occur after a major earthquake
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Earthquakes•These are small earthquakes that occur after a major earthquake
Aftershocks
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Earthquakes• Vibrations caused by earthquakes are also known as _________ _________.
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Earthquakes• Vibrations caused by earthquakes are also known as _________ _________.
Seismic Waves
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Earthquakes• List the 3 types of seismic waves caused by earthquakes.
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Earthquakes• List the 3 types of seismic waves caused by earthquakes.
Primary waves, secondary waves, surface waves
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Earthquakes• Which type of seismic wave causes the most damage?a) Primary wavesb) Secondary wavesc) Surface waves
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Earthquakes• Which type of seismic wave causes the most damage?a) Primary wavesb) Secondary wavesc) Surface waves
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Earthquakes• Which type of seismic wave travels the fastest?a) Primary wavesb) Secondary wavesc) Surface waves
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Earthquakes• Which type of seismic wave travels the fastest?a) Primary wavesb) Secondary wavesc) Surface waves
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Earthquakes•What is the point underground called where movement first starts as an earthquake?
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Earthquakes•What is the point underground called where movement first starts as an earthquake?
Focus
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Earthquakes•A water wave caused by an earthquake, volcanic eruption, or landslide is called ___________.
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Earthquakes•A water wave caused by an earthquake, volcanic eruption, or landslide is called tsunami.
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Earthquakes•What do scientists locate using seismographs?
a. Liquefactionb. Stressc. Epicentersd. Aftershocks
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Earthquakes•What do scientists locate using seismographs?
a. Liquefactionb. Stressc. Epicentersd. Aftershocks
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•This is another word for an opening in Earth’s crust through which molten rock, rock fragments, and hot gases erupt
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Volcanoes•This is another word for an opening in Earth’s crust through which molten rock, rock fragments, and hot gases erupt
Volcano
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Volcanoes•Molten rock beneath earth’s surface is known as _____________. While molten rock that has reached earth’s surface is called _______________.
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Volcanoes•Molten rock beneath earth’s surface is known as magma. While molten rock that has reached earth’s surface is called lava.
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Volcanoes•The space beneath a volcano where magma collects is called the ________ __________. (2 words)
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Volcanoes•The space beneath a volcano where magma collects is called the magma chamber.
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Volcanoes•Pieces of rock formed from sticky lava are called ____________.
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Volcanoes•Pieces of rock formed from sticky lava are called tephra