Module 3. Lesson 1: Exploring the Oceans

In which three ways do oceans vary?

• depth, oscurity, animals

• salinity, temperature, depth

• Kino, San Carlos, Puerto Peñasco

• coral reef, animals, plants

This is the total amount of dissolved salts in a sample of water.

• depth

• temperature

• salinity

• trench

What is the difference between warm water and cold water?

• warm water is more delicious

• warm water kills fish

• warm water has more salt

• warm water is less dense

What happens to water as you descend through the ocean?

• it is lighter

• the temperature decreases

• there are more fish

• it is scarier

What happens to water pressure as you descend trough the ocean?

• it increases

• it decreases

• nothing

• it is prettier

What is the Sound Navigation and Ranging system that uses sound waves to calculate the distance to an object?

• telescope

• microscope

• sonar

• telephone

It is the ocean feature that is a gently sloping, shallow area that extends outward from the edge of each continent.

• continental shelf

• abyssal plain

• continental slope

• seamounts

It is the ocean feature that is the steep edge of the continental shelf.

• mid-ocean ridges

• trench

• continental slope

• seamount

It is the ocean feature that is a long, deep valley on the ocean floor through which old ocean floor sinks back toward the mantle.

• seamount

• continental shelf

• abyssal plain

• trench

It is the ocean feature that are long chains of mountains on the ocean floors.

• seamount

• mid-ocean ridges

• continental slope

• abyssal plain