Sealevel Changes and Ocean Wave Barriers

What has caused the sea level to change throughout time?

• Only level of land changes

• Only sea level changes

• Only climate changes

• Combination of land level and sea level changes

Tags

NGSS.MS-ESS2-4

How does the continental shelf change over time?

• It is always exposed

• It is always submerged

• It is intermittently exposed and submerged

• It does not change

Tags

NGSS.MS-ESS2-2

What are emerging shorelines?

• Shorelines that have sunk below current sea level

• Shorelines above current sea level

• Shorelines at the same level as the sea

• Artificially created shorelines

What are marine terraces?

• Underwater flat platforms

• Flat platforms backed by cliffs

• Elevated ridges in the sea

• Sandy beaches along the coastline

Tags

NGSS.MS-ESS2-2

What do stranded beach deposits indicate?

• The sea level has fallen below the former shoreline

• The former shoreline has sunk below sea level

• The former shoreline has risen above sea level

• The beach deposits are from recent marine activity

What does a submerging shoreline indicate?

• Shoreline above current sea level

• Shoreline at current sea level

• Shoreline below current sea level

• No change in shoreline position

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

Which of the following is a feature associated with changing sea levels?

• Elevated beaches

• Submerged dune topography

• Peaked river valleys

• Exposed coastal plains

Tags

NGSS.MS-ESS2-4

What is a consequence of sea level change on river valleys?

• They become peaked.

• They become submerged.

• They become wider.

• They dry out.

Tags

NGSS.MS-ESS2-2

What features are included in emerging shorelines?

• Drowned beach deposits

• Wave-cut benches

• Sea cliffs and marine terraces with stranded beach deposits

• Low-lying beach areas

What process is indicated by the arrow labeled "Uplift" in the diagram?

• The sinking of shorelines

• The rising of shorelines

• The erosion of marine terraces

• The deposition of beach materials

Tags

NGSS.MS-ESS2-2