Earth Science 14A-B

The alternating rise and fall of local sea level

Which of these combines the effects of the Coriolis effect, current speed, and water depth to produce current direction?

A current resulting from waves breaking at an angle to the shore

In the Northern Hemisphere, currents curve to the right because of the __ .

Current 2 is the

In the center of an ocean gyre, the sea level is usually

The Great Pacific Garbage Patch is the result of man’s carelessness and a strong oceanic __ .

Current 8 is the

The force of the sun’s and moon’s __ pulling on Earth causes tides.

Twice each month, lower-than-usual tides, called __ tides, occur.

Current 9 is the

The very high tides that occur twice a month are caused by

The daily rise and fall on Earth’s coastlines are called

Current 5 is the

Which of these would have the least effect on subsurface currents?

Current 6 is the

Cold water rising to the surface

Prevailing westerlies are winds that blow on an angle toward the poles, pushing surface water in a westerly direction

Which of these is not a term that would apply to thermohaline currents?

What is "A" pointing to in the picture?

What is "C" pointing to in the picture?

What is "B" pointing to in the picture?

Current 1 is the

Most power plants designed to harness the power of tidal changes are fairly small

Upwelling has been observed only near the Equator due to its lower-than-average sea level

What is "D" pointing to in the picture?

Currents are affected by the rotation of the earth.

What is "F" pointing to in the picture?

The major warm current located in the West Atlantic Ocean is the

Current 4 is the

A(n) _ current is a type of density current that carries a great amount of sediment and acts like an underwater mudslide

Current 7 is the

How many tides do most coasts experience in a typical 24-hour period?

What usually has the greatest influence in causing tides?

A circular flow of currents within an ocean basin

Which of these forms of sea life are thought to take advantage of ocean currents in their efforts to move about?

Current 3 is the

The moon’s gravity causes the oceans to rise both on the near side and the far side of the earth

If you want to sail around the globe but remain south of Africa and South America, what single current could you use?

What is "E" pointing to in the picture?

Cold ocean currents along a coast can dry the air so much that a desert forms.

A large stream of moving water that flows through the oceans is called a(n) __ .

Water that is forced down by downwelling typically has ___ than surrounding waters.