Where are estuaries located?

At the beginning of the ocean and the end of the river

Why is it easier for something to float in salt water?

Salt water is more dense than freshwater.

What do waves carry from deep water up onto the shore?

Sand, rocks, shells, and plant debris

What can waves do to sand on the shore?

Move it from one part of the shore to another

The breaking down or dissolving of rocks and minerals.

What is beach erosion?

Removal of sand from a beach to deeper water offshore

What is the purpose of dredging in preventing beach erosion?

To bring new sand onto the beach

What are seawalls built to prevent?

Sand being washed away by waves or storms

How do estuaries help in preventing beach erosion?

By serving as buffers between land and sea

What is a breakwater?

A seawall that extends from the shore out into the ocean

What is the purpose of a breakwater?

To protect the shore from waves

What is the global ocean conveyor belt?

A pattern of currents that helps distribute energy and nutrients

What happens to surface water in the North Atlantic part of the conveyor belt?

It becomes saltier, colder, and heavier.

What is the effect of warm surface currents on the climate?

They help moderate the climate by transferring heat into the atmosphere.

When deep water is brought to the surface, rich in nutrients.

What role do surface winds play in the process shown in the diagram?

They push surface water away from an area.

How does La Niña's effect on U.S. winter weather compare to El Niño's?

La Niña is the opposite of El Niño

Oceans Flashcard Flashcards

Student preview

50 questions

Show all answers

1.

FLASHCARD QUESTION

Front

How many oceans are there in the world?

Back

5

2.

FLASHCARD QUESTION

Front

Which is the largest ocean?

Back

Pacific

3.

FLASHCARD QUESTION

Front

What does the name "Pacific" mean?

Back

Peaceful

4.

FLASHCARD QUESTION

Front

Why is the Pacific Basin called the "Ring of Fire"?

Back

Because of the earthquakes and active volcanoes at its borders

5.

FLASHCARD QUESTION

Front

What is the name of the deepest trench in the ocean?

Back

Mariana Trench

6.

FLASHCARD QUESTION

Front

What is the deepest part of the Mariana Trench called?

Back

Challenger Deep

7.

FLASHCARD QUESTION

Front

How deep is the Challenger Deep?

Back

36,000 Feet

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