ES 14.2 Formative

Oceanographers have divided the ocean floor into three major regions: the continental margins, the ocean basin floor, and the mid-ocean ridge.

• true

• false

Tags

NGSS.MS-ESS2-3

The zone of transition between a continent and the adjacent ocean basin floor is known as the _____.

• continental margin

• mid-ocean ridge

• ocean basin floor

• Pacific crest

Where trenches do not exist, the steep continental slope merges into a more gradual incline known as the continental _____.

• abyss

• rise

• shelf

• zone

Isolated volcanic peaks on the ocean floor are called _____.

The gently sloping submerged surface extending from the shoreline toward the deep ocean is called the

• continental shelf

• continental slope

• continental rise

• submarine canyon

Which of the following is NOT a zone included in the continental margin?

• continental slope

• continental rise

• continental coast

• continental shelf

Which regions are thought to be the most level places on Earth?

• mid-ocean ridges

• abyssal plains

• deep-ocean trenches

• continental slopes

Which part of the ocean is deepest?

• ridges

• rifts

• trenches

• seamounts

Where does seafloor spreading occur?

• at convergent plates

• on seamounts

• near the ocean surface

• at divergent

  plates

The narrow continental margin of the _____ Ocean experiences volcanic activity and earthquakes.

Tags

NGSS.MS-ESS3-2