Seafloor Spreading Quiz Review

Who was Harry Hammond Hess?

• A) A US Navy Captain and Geology Professor

• B) A famous artist

• C) A renowned chef

• D) A professional athlete

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What did Harry Hammond Hess discover?

• Mid-ocean ridges

• The North Pole

• The Amazon Rainforest

• The Sahara Desert

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Harry Hammond Hess proposed the Theory of ________.

• Plate Tectonics

• Seafloor Spreading

• Continental Drift

• Evolution

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NGSS.MS-ESS2-3

The process by which new oceanic crust forms along a mid-ocean ridge is called ________.

• Seafloor Spreading

• Mountain Building

• Erosion

• Sedimentation

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NGSS.MS-ESS2-1

In the diagram, what happens when plate 1 and plate 2 move apart?

• A) Magma rises, cools, and solidifies

• B) Water flows in

• C) Earthquakes occur

• D) Mountains form

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NGSS.MS-ESS2-1

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The existence of underwater mountains was confirmed through research during WWII called ________.

• Seismic study

• Echo-sounder research

• Satellite mapping

• Deep-sea diving

The molten rock cools and becomes ______, the rock that forms the oceanic crust.

• Granite

• Basalt

• Limestone

• Sandstone

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NGSS.MS-ESS2-3

New oceanic crust forms along a mid-ocean ridge, and ______ crust moves away from the ridge.

• Younger

• Older

• Thicker

• Thinner

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NGSS.MS-ESS2-2

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What erupts as lava from volcanic vents along the mid-ocean ridge?

• Water

• Magma

• Ash

• Sand

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What does the topography of the seafloor include?

• Only abyssal plain

• Only rugged mountains

• Abyssal plain and rugged mountains

• None of the above

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NGSS.MS-ESS2-3