Ocean Currents | Earth Science | Quiz

Nike shoes and Friendly Floatees were useful for mapping and modeling ocean currents because __________.

they float

they were released at one time

they were thousands of them

all of the above
Ebbesmeyer and Ingraham were able to determine the velocity of the Pacific Subarctic Gyre by __________.

collecting reports of the Friendly Floatees from beachcombers over ten years

using drift buoys to collect data about the gyre

measuring the velocity directly

forecasting the trajectory of the toys using OSCURS
Polynesian stick charts and printed maps of currents are both of examples of __________.

predictive models of ocean currents

individual journeys in the ocean

ways to share information that helps with navigation

guides to the best travel routes
Ekman's numerical model of ocean water transport takes into account __________.

the temperature and density of the ocean water

the locations of the continents and water depth

the direction of iceberg travel

the Coriolis effect and friction
Ocean water is _________ in equatorial currents and transports heat towards _________ in gyres.

warmed, the poles

cooled, the poles

warmed, the equator

cooled, the equator
The image below is a portion of the map shown in Figure 6 of the module. Use this image for questions 6-8.

If you were standing on the West Coast of South America near the black X and facing the ocean, which direction would the current be moving, and would it be warm or cold?

Use this map for questions 6-8.

south, cold

south, warm

north, cold

north, warm
If you were in a boat at the black o in the middle of the Atlantic Ocean, what kind of wind and currents would you feel?

wind and current flowing from east to west

wind and current flowing from west to east

winds and currents from many different directions.

no wind or currents
The ___________ carries warm water from the equatorial region and Caribbean along the east coast of North America.

North Equatorial Current

Canary Current

Gulf Stream

Caribbean Current