Oceans and Currents

Oceans and Currents

Multiple Choice

What percent of the Earth is covered in water%

• 70

• 90

• 50

• 10

Multiple Choice

Salinity is .....

• the amount of salt on land

• the amount of salt in water

• the density of seawater

• nutritious and delicious

Multiple Select

The density of water increases when (check all that apply)

• salinity increases

• temperature increases

• temperature decreases

• pressure increases

Multiple Choice

Where is the water the most dense?

• along the river beds

• in deep waters

• on the shores

• at the surface of the equator

Multiple Choice

Swimming outward, which zone runs along the continental shelf?

• benthic

• intertidal

• neritic

• aphotic

Multiple Choice

Swimming outward, which zone is closest to the beach?

• neritic

• benthic

• intertidal

• aphotic

Multiple Choice

Diving into the ocean, which zone is the bottom of the sea?

• benthic

• neritic

• intertidal

• aphotic

Multiple Choice

Diving into the ocean, which layer does sunlight still exist

• photic

• aphotic

• benthic

• neritic

Multiple Choice

The highest point of a wave is...

• crest

• trough

• amplitude

• wavelength

Multiple Choice

The vertical distance between a crest and a trough is the ....

• crest

• trough

• amplitude

• wavelength

Multiple Choice

The horizontal distance between two crests is ...

• wavelength

• amplitude

• crest

• trough

Multiple Select

Which things are responsible for surface currents?

• global wind patterns

• Coriolis Effect

• the shape of ocean basins

• the distance to the sun

Multiple Choice

TRUE or FALSE: Currents are important because they distribute heat throughout the planet

• True

• False

Multiple Choice

Which cells are closest to the equator?

• Hadley cells

• Ferrell Cells

• Polar Cells

Multiple Choice

Hadley Cells are responsible for...

• Trade Winds

• Westerlies

• Polar Easterlies

Multiple Choice

Ferrell cells are responsible for...

• Trade Winds

• Westerlies

• Polar Easterlies

Multiple Choice

Polar Easterles are created by

• Hadley Cells

• Ferrell Cells

• Polar Cells

Multiple Choice

In the northern hemisphere, when a surface current hits land, it will move

• North

• South

• East

• West

Multiple Choice

The deflection of wind in a direction caused by the rotation if the Earth is...

• The Coriolis Effect

• The Congo

• The Westerlies

Multiple Choice

Which local currents are very dangerous?

• Rip Currents

• Longshore Currents

Multiple Choice

What major current warms the entire eastern coast of the United States

• El nino

• Tradewinds

• Gulf Stream

Multiple Choice

Ice freezing causes

• Upwelling

• Downwelling

Multiple Choice

Evaporation causes

• Upwelling

• Downwelling

Multiple Choice

Denser water sinking is

• upwelling

• downwelling

Multiple Choice

Nutrients reach shallower water through

• upwelling

• downwelling