Ch - 15: Earth's Oceans

What percent of the Earth is covered in salt water oceans?

• 82%

• 71%

• 49%

• 35%

Tags

NGSS.MS-ESS2-4

Earth's tallest mountain (base to top) is Mauna Kea, located in the

• Atlantic Ocean

• Pacific Ocean

• Indian Ocean

• Arctic Ocean

Salt in the ocean comes from

• deep sea vents

• mid-ocean ridges

• river inlets

• off-shore salt deposits

Match the following

• Scientific study of Earth's oceans.

• oceanography

• First ship to use sophisticated measuring devices to study the ocean.

• OSTM/Jason-2

• Device that uses echoes to map features of the ocean floor.

• Alvin

• Submersible used to study the deep oceans.

• Challenger

• Satellite used to monitor sea surface height.

• sonar

Tags

NGSS.MS-PS4-2

Oceans on Earth have existed for ​ (a)   .

• almost 4.6 billion years
• 4.6 million years
• 46 billion years

Tags

NGSS.MS-ESS1-4

Gases emitted by volcanoes contain mostly ​water vapor and ​ (a)   .

• carbon dioxide
• methane
• oxygen
• helium

One possible source of Earth's water is

• hurricanes

• earthquakes

• comet impacts

• violent storms

Tags

NGSS.MS-ESS2-4

In Earth's early history, water vapor in the atmosphere condensed into the

• crust

• oceans

• continents

• mountains

Tags

NGSS.MS-ESS2-4

The total amount of water on Earth stays the same because water molecules in the atmosphere are destroyed by

• ozone

• meteors

• evaporation

• ultraviolet radiation

Match the following phrases with the correct term that completes the statement.

• oceans

• ____ forces that lift or lower portions of the seafloor also affect sea level.

• tectonic

• Approximately 3% of Earth's water is located in the _____ of Greenland and Antarctica.

• sea level

• Today average global sea level is _____ at a rate of about 3 mm per year.

• frozen ice caps

• The ___ contain 97% of the water found on Earth.

• rising

• Global _____ has risen and fallen by hundreds of meters in response to warm periods and ice ages.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4