Oceans-Lesson 1 and 2

Which is the largest ocean in the world?

• Pacific

• Atlantic

• Indian

• Southern

Which of the following did NOT help to form the oceans?

• ancient volcanic eruptions

• the water cycle

• asteroids and comets

• the creation of oxgyen

This is the measure of the mass of dissolved solids in a mass of water.

• brackish water

• condensation

• mid ocean ridges

• salinity

This is freshwater mixed with saltwater

• salinity

• brackish water

• the water cycle

• filtered water

Which of the following is NOT part of the continental margin of the seafloor?

• continental shelf

• continental slope

• continental rise

• mid ocean ridges

These are the flat areas of the seafloor that extend across the deepest parts of the ocean basins.

• mid ocean ridges

• abyssal plains

• ocean trenches

• land

The places on the seafloor where tectonic plates pull apart and volcanic mountains and ridges form.

• abyssal plains

• mid ocean ridges

• ocean trenches

• shoreline

These are the deepest parts of the ocean

• abyssal plains

• ocean trenches

• shoreline

• continental margins

Which of the following is NOT a resource humans can get from the oceans?

• hydrogen

• manganese

• gold

• zinc

This area of shallow seawater receives the greatest amount of light

• deep zone

• middle zone

• surface zone

• ocean trenches zone