Marine Geology Review

What causes plates to move?

• Ocean currents

• Convection currents in the mantle

• Volcanoes

• The Coriolis Effect

Tags

NGSS.MS-ESS2-3

The image shows the Mid Atlantic Ridge. Which type of boundary occurs at this ridge where the ocean floor is spreading apart?

• Convergent

• Divergent

• Transform Fault

• Continental

Tags

NGSS.MS-ESS2-3

Using the map of volcanoes, what can you infer about tectonic plates in the U.S.?

• There are no plate boundaries in the U.S.

• There is a plate boundary along the East Coast.

• There is more pressure from the core on the West Coast than the East Coast, causing volcanic eruptions.

• There is a plate boundary along the west coast.

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

Which part of the graphic above represents sea floor spreading?

• A

• B

• C

• Sea floor spreading is not being shown

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NGSS.MS-ESS2-3

Looking at the diagram, which seafloor feature is B?

• Rift Valley

• Seamounts

• Mid-Ocean Ridge

• Abyssal Plains

Tags

NGSS.MS-ESS2-3

The Ocean makes up about ___% of the Earth's Surface?

• 90%

• 53%

• 70%

• 45%

The place where new ocean floor forms is called the ___?

• Mid-ocean ridge

• Abyssal Plain

• Trench

• Continental Shelf

Which best represents the order of the seafloor features as you move from the shoreline to the deep ocean?

• Continental slope – continental shelf- continental rise – mid-ocean ridge

• Continental rise – continental shelf – mid-ocean ridge - continental slope

• Continental shelf – continental slope – continental rise – mid-ocean ridge

• Mid-ocean ridge – continental rise – continental shelf- continental slope

When the ocean floor plunges into underwater canyons it forms ______?

• Wegners

• Trenches

• Subduction

• Caves

Rivers, wind, ice and other geologic processes erode and transport rocks and minerals into the sea. These sediments are called

• Cosmogenous

• Biogenous

• Lithogenous

• Hydrogenous

Tags

NGSS.MS-ESS2-2