Unit 1 Test Review

As the depth of ocean water increases, the temperature

• increases.

• decreases.

• fluctuates depending on the pressure.

• stays the same.

When temperature decreases, the density of liquid water _________________.

• increases

• decreases

• stays the same

Earth's Oceans carry more than just water. They carry matter (good and bad) and energy all over the globe.

• True

• False

Surface currents are a result of

• A. Global Wind Patterns

• B. Earth's Rotation

• C. Continental Deflection

• D. All of the above

Which type of water would sink to the bottom of the ocean.

• Warm, fresh

• Cold, fresh

• Warm, salty

• Cold, salty

Warm ocean currents generally come from

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

Cold ocean currents generally come from

• A. The North Pole 

• B. The South Pole

• C. The Equator

• D. Both A and B

Why are surface currents at the surface of the ocean?

• colder temperature
• colder temperature & more salt

• warmer temperature & less salt

Which water is densest?

• warm fresh water

• cold fresh water

• warm salt water

• cold salt water

The definition of a gyre is...

• circular patterns of surface currents in the world's oceans

• circular patterns of wind over the world's oceans

• weather pattenrs that cause hurricanes

• deep ocean currents that start at the Earth's poles