4.2 Earth Science

the part of the earth’s surface beneath the ocean that is made of continental crust

a tide that occurs when the sun and moon are at right angles to each other

the lowest point of a wave

There is no risk involved when harvesting ocean resources.

the curving of moving objects from a straight path due to Earth’s rotation

a broad, relatively shallow underwater terrace that slopes outward from the shoreline

What type of current is primarily affected by changes in water temperature and salinity?

the process of removing salt from ocean water to obtain freshwater for drinking, irrigation, or industrial uses

Amplitude is found by measuring the vertical distance between a wave’s crest and its trough.

the difference in water height between high and low tide

an underwater volcanic mountain that rises at least 1,000 m above the abyssal plain

The Atlantic Ocean has continental shelves that are wide and slopes that gradually drop to join underwater plains.

Which of the following is not a source of elements in ocean water?

What makes waves become larger or smaller?

What region marks the transition from continental crust to oceanic crust?

When the sun, Earth, and moon are aligned, what type of tide is produced?

The sun exerts a greater gravitational force on Earth’s tides compared to the force exerted by the moon.

7. What type of current is affected by the Coriolis effect?

the measure of dissolved salt in a given amount of liquid

Ocean water around tropical islands is likely to have saltier water than ocean water near north Europe

The two factors that most affect the density of ocean water are temperature and depth.

8. What resources have been found in the ocean?