Exploring the Oceans Features of the Ocean Floor Properties of

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Presentation transcript:

Exploring the Oceans Features of the Ocean Floor Properties of Ocean Water Life in the Oceans Currents, Tides and Waves 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500

The letters in the word “SONAR” stand for this.

What is Sound Navigation and Ranging?

He is the father of modern oceanography.

Who is Matthew F. Maury?

The British navy sent this ship to explore the oceans from 1872 to 1876.

What is the HMS Challenger?

These are underwater vessels that can be manned or unmanned.

What are submersibles?

This is the study of the physical characterisics, chemical composition and life forms in the ocean.

What is oceanography?

Feature A, B and C together make up this ocean feature.

What is the continental margin?

Feature E is where new ocean crust is being created.

What is the mid-ocean ridge?

Feature D is a flat expanse under at least 4 km of water?

What is the abyssal plain?

Feature G is an underwater volcano that rises at least 1 km above the sea floor and can sometimes reach above the surface of the ocean.

What is a sea mount?

Feature H is where one tectonic plate subducts under another.

What is a trench?

Gases dissolve better in this temperature water.

What is cold water?

These are the two most abundant dissolved solids in the ocean.

What are sodium and chloride?

The temperature of the oceans does this as latitude increases.

What is decrease?

This is the mass divided by the volume of a substance or the ratio of mass to volume.

What is density?

This is a layer in a body of water where the temperature drops with increased depth faster than it does in other layers.

What is a thermocline?

These organisms live on or in the sea floor.

What are benthos?

This is one of the safest colors for an organism in the deep ocean.

What is red?

This is the area of open water above the continental shelf.

What is the neritic zone?

This is the color of non-productive water near the tropics.

What is blue?

Where are productive, green, murky water found?

Where are the polar seas?

These are wind-driven currents.

What are surface currents?

This drives deep water currents.

What are density difference?

This is a warm, powerful current that flows northward along the east coast of the U.S.?

What is the Gulf Stream?

What type of tide is produced by this Sun, Earth moon system?

What is a neap tide?

These are three factors that increase wave height.

What are fetch, wind speed and wind duration?