Powers Currents, Waves, Tides

​Currents, Waves, Tides

By Erin Powers

Multiple Choice

What are surface currents mainly powered by?

• Coriolis Effect

• Winds

• Tides

• Density

Multiple Choice

The Gulf Stream is a...

• surface current

• huge wave

• density current

• spring tide

Multiple Choice

A rhythmic movement of energy through a body of water is a...

• tide

• current

• wave

• drift

Multiple Choice

What is the primary cause of tides?

• solar radiation

• The moon's gravitational pull

• Amount of sand on the shore

• strong winds

Multiple Choice

Density currents occur due to...

• A. a mass of seawater becomes more dense that the surrounding seawater.

• B. water moving from the Gulf of Mexico to the north end of the Atlantic Ocean.

• C, the rotation of the Earth on it's axis.

• D. the sun absorbing, storing, and moving the Sun's energy.

Multiple Choice

Spring tides happen during which two phases of the moon?

• A. Waxing Gibbous and Waning Gibbous

• B. First Quarter and Third Quarter

• C. Waxing Crescent and Waning Crescent

• D. New Moon and Full Moon

Multiple Choice

What does the height of a wave depend on?

• A. the speed of the wind

• B. the distance over which the wind blows

• C. the length of time the wind blows

• D. all of the above

Multiple Choice

Surface currents move ______ to Earth's surface.

• opposite

• perpendicular

• parallel

• above

Multiple Choice

During neap tides, high tides are (1)_____ than normal and low tides are (2)_____ than normal.

• higher, lower

• stronger, weaker

• weaker, stronger

• lower, higher

Multiple Choice

Water near the equator is called _____ water.

• tropical

• polar

• equator

• warm

Multiple Choice

Which color circles indicate areas experiencing HIGH tide?

• green circles

• red circles

• all are high tide

• non are high tide

Multiple Choice

What does the image depict?

• Coriolis Effect

• Gulf Stream

• Global Conveyor Belt

• Mega Current

Multiple Choice

What does the specific position of the Earth, Moon, and sun indicate?

• neap tide

• spring tide

• solar eclipse

• lunar eclipse