Env Sci, Ch 7, Aquatic Ecosystems, Sec 2, Deep Oceans, Quiz

Approximately what percentage of Earth's surface is covered by oceans?

• 40%
• 50%
• 60%
• 70%

Which process does NOT lead to a decrease in the salinity of water?

• runoff from land
• precipitation
• sea ice melting
• evaporation

What happens to pressure as you go deeper into the ocean? 

• increases
• decreases
• stays the same
• doubles

Surface ocean currents are generated mostly by

• the Coriolis effect
• water density
• tides
• wind

Rainfall and river runoff cause the salinity to _________________. 

• increase
• decrease

The highest salinity would be found in which of the following areas?

• an area with high rates of precipitation
• an area with high rates of evaporation
• an area with plenty of runoff
• all of the above

Two types of ocean currents are

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

Deep-ocean currents are driven by 

• differences in soil
• differences in the water’s density,
• differences in nutrients 
• None of the Above

Which word does NOT describe the deep ocean?

• Dark
• Cold
• Lots of water pressure
• Lots of Sunlight

Tags

CCSS.RI. 9-10.2

CCSS.RI.11-12.2

CCSS.RI.8.2

CCSS.RL.11-12.2

CCSS.RL.9-10.2

Which one is NOT a zone of the ocean?

• Sunlight Zone
• Twilight Zone
• Midnight Zone
• Fun Zone