Oceanography

Which of the following causes water from deep currents to rise to the surface to replace warm currents?

• evaporation

• freezing of the surface of the water

• upwelling

• squeezing solids out of the ice down into the water below

Tags

NGSS.MS-ESS2-6

The process of deep, nutrient-rich water moving upward to replace surface water that has blown farther offshore is called ___.

• downwelling

• upwelling

• rip current

• longshore current

List the layers of the ocean from closest to the surface to furthest from the surface:

• deep zone, surface zone, thermocline

• thermocline, deep zone, surface zone

• surface zone, thermocline, deep zone

• surface zone, deep zone, thermocline

In this layer of the ocean the water temperature drops with increased depth faster than it does in other layers

• surface zone

• thermocline

• deep zone

The main difference between ocean water and lake water is that ocean water contains

• oxygen

• salt

• algae

• plants

What first accurately mapped the ocean floor?

• The Spanish armada

• Chinese army

• Magellan

• sonar

Tags

NGSS.MS-ESS2-3

Deep Ocean currents are a result of

• Global Wind Patterns

• Earth's Rotation

• Density

• All of the above

Tags

NGSS.MS-ESS2-6

Warm ocean currents generally come from

• The North Pole

• The South Pole

• The Equator

• Both A and B

Tags

NGSS.MS-ESS2-6

Two types of water currents are

• local and global

• sea and land

• surface and deep

• warm and cold

Tags

NGSS.MS-ESS2-6

Why are surface currents at the surface of the ocean?

• colder temperature

• colder temperature & more salinty

• warmer temperature & less salinty

• less salinty

Tags

NGSS.MS-ESS2-6