Intro to Marine Science

Match the following

• Theory that Earth's crust is broken down into smaller pieces that move & shape the Earth's surface

• Deep Sea Trenches

• Location where new ocean crust is formed

• Plate Tectonics

• Subduction takes place at this location and destroys crust

• Mid-Ocean Ridges

Tags

NGSS.MS-ESS2-3

Flattened underwater mountains are called:

• Ridges

• Guyots

• Trenches

• Seamounts

Tags

NGSS.MS-ESS2-3

What is the ocean's salt concentration?

• 10 ppt

• 35 ppt

• 350 ppt

• 1000 ppt

Which statement correctly explains why oceanic crust is younger than continental crust?

• Continental crust is destroyed by subduction.

• Oceanic crust is destroyed by subduction.

• Continental crust is formed at mid-ocean ridges.

• Oceanic crust is formed when two plates collide.

Tags

NGSS.MS-ESS2-3

What is the name of the technology that uses sound signals to determine the depth of the ocean at various locations?

• SONAR

• SCUBA

• Submersibles

• Self Contained Diving

Which best explains how our oceans formed?

• Comets made of ice and rock struck the Earth.

• Volcanic eruptions released water vapor.

• Both Volcanoes and Comets

• Neither Volcanoes nor comets.

What is the importance of symbiotic bacteria at hydrothermal vents?

• The bacteria uses chemosynthesis to produce food / energy and do not need sunlight.

• The bacteria are at the top of the food chain and eat all other marine life.

• The bacteria undergo photosynthesis and rely on sunlight.

• The bacteria lead to illness which wipes out the hydrothermal vent community.

Which of the following pairs is CORRECT?

• Convergent boundary - Rift Valley

• Transform boundary - Mountains

• Divergent boundary - Subduction

• Divergent boundary - Mid-Ocean Ridge

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

What is the name of the submersible that visited the Titanic shipwreck?

• Alvin

• Jason Jr.

• Leonardo

• Cousteau

Which of the following animals are you most likely to see in the intertidal zone?

• Shark

• Whale

• Crab

• Anglerfish