Oceanography Quick Review

Which of the following best describes the Gulf Stream?

• A cold, deep current in the Pacific Ocean

• A warm, surface current in the Atlantic Ocean

• A tidal wave in the Indian Ocean

• A region of high salinity in the Arctic Ocean

Tags

NGSS.MS-ESS2-6

What is the primary producer in most marine ecosystems?

• Zooplankton

• Phytoplankton

• Jellyfish

• Sharks

Tags

NGSS.MS-LS2-3

Which feature is found at the boundary between two tectonic plates on the ocean floor?

• Continental shelf

• Mid-ocean ridge

• Abyssal plain

• Seamount

Tags

NGSS.MS-ESS2-3

Which process is responsible for the rise and fall of ocean tides?

• Wind patterns

• Gravitational pull of the moon and sun

• Ocean currents

• Plate tectonics

Tags

NGSS.MS-ESS1-1

What happens to the density of seawater as its salinity increases, assuming temperature remains constant?

• Density decreases

• Density increases

• Density stays the same

• Density fluctuates randomly

Which oceanic zone receives enough sunlight for photosynthesis to occur?

• Abyssal zone

• Bathyal zone

• Photic zone

• Hadal zone

Tags

NGSS.MS-LS1-6

Given a scenario where a coral reef is exposed to increased water temperature, predict one possible impact on the reef ecosystem.

• Increased coral growth

• Coral bleaching and loss of biodiversity

• Decreased water salinity

• Formation of new oceanic trenches

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

A scientist is studying a section of the ocean floor and finds a deep, narrow valley. Which geological process most likely formed this feature?

• Erosion by surface waves

• Subduction of one tectonic plate beneath another

• Deposition of sediments

• Wind erosion

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

What causes garbage to build up in spots like the Great Pacific Garbage Patch?

• Ocean currents

• Wind patterns

• Tidal waves

• Marine animals

Tags

NGSS.MS-ESS2-6

Which of the following causes water from deep currents to rise to the surface to replace warm currents?

• evaporation
• freezing of the surface of the water
• upwelling
• squeezing solids out of the ice down into the water below

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-6