Continental Drift Vocab

Ocean floor nearest the edges of continents. Has a gentle slope and water over it is shallow. It is a

This lies between a continental shelf and abyssal plain. It has a steep slope with sharp drop to the ocean floor. It is a

This is a wide incline from a deep ocean plain to a continental shelf. It is a

This forms much of the floor under the ocean. It lies between 3-6 km below the surface and much of it is flat. It is an

This is a deep canyon on the ocean floor. It occurs where one tectonic plate subducts under another. The deepest one is the Mariana in the Pacific Ocean. It is an

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NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

These rise above the ocean water's surface and are known as islands. They are called

This is a mountain range that runs through all the world's oceans. It is almost 64,000 km long and forms where tectonic plates pull apart. Magma erupts through the ocean floor to make new floor here. It is called a

Theses are created over thousands of years of volcanic activity. An example is Hawaii. This is an

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NGSS.MS-ESS2-2

Label the parts of the ocean floor.

a

b

c

d

e

f

Abyssal Plain

Continental slope

Mid-Ocean Ridge

Trench

Continental shelf

Seamount

What two metals are the inner core and outer core made up of?

• iron and iron

• iron and nickel

• nickel and copper

• magma and iron

Tags

NGSS.MS-ESS3-1

NGSS.MS-PS1-1