Exploring the Ocean and Ocean Zones quiz review

People have studied the ocean since ancient times. The ocean provides food and a route for ___________ and _____________. (Choose 2)

• trade

• Protection

• Drinking water

• Travel

Along the floor of the ocean, magma rises up through cracks and hardens. This forms a new strip of rock on the ocean floor. This process is called

• Plates

• Subduction Zone

• Seafloor Spreading

• Volcano

Tags

NGSS.MS-ESS2-2

The surface of the Earth is covered by ___ % salt water.

• 49

• 65

• 71

• 82

Tags

NGSS.MS-ESS2-4

Where does salt in the oceans come from?

• Near-shore salt deposits

• River inflow

• mid-ocean ridges

• deep-sea hydrothermal vents

Answer explanation

Remember, rivers do the work of weather in and erosion on land, and they carry many dissolved ions into the ocean. When that water evaporates from the ocean, it leaves the dissolved ions behind, leaving the oceans to be salty.

Tags

NGSS.MS-ESS2-4

What do you call a scientist who studies the ocean for a living?

• An oceanist

• An oceanologist

• An oceanographer

• An oceananthropist

Resources obtained from the ocean are...

• mostly at the surface

• both living and non-living

• scarce

• virtually impossible to obtain

Tags

NGSS.MS-LS2-3

People depend on the oceans for __________________.

• Natural resources

• Food and water

• Transportation

• All of the above.

The pieces of Earth's crust, along with parts of the upper mantle are called

• Pilates

• Plates

• Continental Drift

• SeaFloor Spreading

Tags

NGSS.MS-ESS2-3

A system that uses sound waves to calculate distance from an object.

Tags

NGSS.MS-PS4-2

When were submarines invented?

• 1890's

• 1940's

• 1960's

• 1990's