Earth Science Chapter 19 – the ocean basins section 1 – The Water Planet
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Earth Science
Chapter 19 – THE OCEAN BASINS
Section 1 – The Water Planet
E.Q.: What are the major divisions of the ocean , what are their features , and how do we study them?
STANDARDS:
SES6. Students will explain how life on Earth responds to and shapes Earth systems.
a. Relate the nature and distribution of life on Earth , including humans , to the chemistry and availability of water.
Objectives
Name the major divisions of the global ocean.
Describe how oceanographers study the ocean.
Explain how sonar works.
The Water Planet
global ocean - the body of salt water that covers nearly three-fourths of Earth’s surface
The global ocean contains more than 97% of all of the water on Earth.
Although the ocean is the most prominent feature of Earth’s surface, the ocean is only about 1/4,000 of Earth’s total mass and only 1/800 of Earth’s total volume.
Divisions of the Global Ocean
The global ocean is divided into five major oceans. These major oceans are the Atlantic , Pacific, Indian, Arctic, and Southern Oceans.
The Pacific Ocean is the largest ocean on Earth’s surface. The next largest ocean is the Atlantic Ocean.
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