Ocean Floor & Currents Quiz Review

The measure of the amount of dissolved salt contained in water:

• evaporation

• salinity

• thermocline

• volume

Salt in the ocean does NOT come from:

• rocks & minerals

• volcanic activity

• weathering

• a glacier

The amount of matter packed into a given volume:

• Mass

• Themocline

• Weight

• Density

The higher the water's salt content, the ___________________________ the density.

• greater

• lower

The layer at which the ocean's temperature drops the quickest:

• deep ocean layer

• thermodecline

• surface layer

• thermocline

The flat or gradually sloping land that extends underwater from the edge of a continent to the continental slope:

• seamounts

• abyssal plain

• continental shelf

• continental slope

The land that drops down steeply at the edge of the continental shelf:

• continental slope

• continental shelf

• coast line

• themocline

Floating in water is easier when the water is:

• more dense

• less dense

• has been filtered

• has chlorine in it

Narrow, steep-sided clefts in the ocean floor:

• continental slope

• abyssal plain

• ocean trenches

• seamounts

A chain of mountains that run through an ocean basin:

• mid ocean ridge

• volcanic arcs

• deep ocean trenches

• guyots

Tags

NGSS.MS-ESS2-3