Ocean Currents

Ocean Currents

By Lucy Brown

Multiple Choice

What process brings the deep cold ocean currents up to the surface?

• Conduction
• Global Wind Patterns
• Convection Currents
• Temperature and salinity

Multiple Choice

Cold ocean currents generally come from

• The North Pole 
• The South Pole
• The Equator
• Both A and B

Multiple Choice

Warm ocean currents generally come from

• The North Pole
• The South Pole
• The Equator
• Both A and B

Multiple Choice

Two types of water currents are

• local and global
• sea and land
• surface and deep
• warm and cold

Multiple Choice

________ and _______ affect the ocean's density and cause the Global Conveyor Belt to travel

• gravity and the Coriolis Effect

• temperature and salinity

• wind and climate

• temperature and the Coriolis Effect

Multiple Choice

Nutrients are brought to the surface for phytoplankton to use at _______.

• gyres

• eddies

• upwellings

• the equator

Multiple Choice

Decreasing ocean temperature causes the density of the water to ______.

• decrease

• increase

• stay the same

• fluctuate