Ocean Topography

What statement is true about ocean trenches?

• They are located at the rift zone.

• They are the deepest part of the ocean basin.

• 
  They are made up of low hills and flat plains.

• They are almost as deep as valleys found on land.

The Grand Canyon can be compared to a(n) __________ under the Earth's oceans.

• trench

• abyssal plain

• mid-ocean ridge

• continental shelf

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS1-4

There are three major oceans on Earth. They are the

• Atlantic, Pacific, and Indian Oceans.

• Atlantic, Pacific, and African Oceans.

• Atlantic, Arctic, and Antarctic Oceans.

• Atlantic, Pacific, and Indonesian Oceans.

How can you BEST describe the continental shelf?

• The continental shelf is very deep.

• The continental shelf is the same width around the edges of the continents.

• The continental shelf is the part of the continent located above the water.

• The continental shelf is an extension of the continent under the ocean water.

The two most abundant elements in ocean water, besides hydrogen and oxygen, are

• salt and sodium

• salt and chlorine

• sodium and calcium

• sodium and chlorine

Tags

NGSS.MS-PS1-1

Mid-ocean ridges are underwater mountainous regions formed by the separation of ___________.

• tsunamis

• tectonic plates

• continental divides

• subatomic particles

Tags

NGSS.MS-ESS2-3

In the ocean, what is a landform similar to a valley known as?

• It is known as a rift.

• It is known as the ocean basin.

• It is known as the mid-ocean ridge.

• It is known as an underwater valley.

The feature labeled C represents some of the deepest spots on the ocean floor. These areas are called ___.

• mid-ocean ridge
• trenches
• deep-sea vent
• abyssal plain

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

In the picture of the ocean floor, letter B marks what landform?

• rift zone

• ocean basin

• continental slope

• continental shelf

Tags

NGSS.MS-ESS2-3

Which two oceans are covered with large expanses of sea ice?

• Arctic and Indian Oceans

• Arctic and Antarctic (Southern) Oceans

• Atlantic and Pacific Oceans

• Atlantic and Antarctic Oceans