Earth's Ocean Features

Valleys cut deep into the ocean floor

• Plankton

• Salinity

• Surface Current

• Ocean Trench

Amount of salt found in water

• Photic Zone

• Gulf Stream

• Photosynthesis

• Salinity

Sharp underwater hill connecting the continent to the ocean floor?

• Ocean

• Coral Reef

• Plankton

• Continental Slope

the constant movement of ocean water that is caused by the patterns of wind and water density

• Ocean Current

• Continental Drift

• Land Before Time

• Zooplankton

Which location is likely to have the greatest water pressure, the coldest temperatures, and the smallest number of living organisms?

• Continental Shelf

• Continental Slope

• Abyssal Plain

• Trench

Which of the following would decrease as a diver travels deeper into the ocean? (Choose all of the correct answers!)

• Pressure

• Light

• Temperature

• Salinity

High and low tides on the coast are caused mostly by

• underwater earthquakes

• the gravity from the moon

• storms over the ocean

• the tilt of Earth

Which of the following are identifying characteristics of the deepest levels of the ocean. (Choose all that apply)

• Some light

• No light

• 90 percent of all ocean life

• Greater water pressure

Which of the following cause ocean waves.

• changes in salinity

• ships navigating

• temperature decreasing

• friction from the wind

Which ocean floor feature is the steep cliff-like drop beyond the continental shelf?

• Continental Shelf

• Continental Slope

• Abyssal Plain

• Ocean Trench