The Sea Floor

Sea-floor spreading begins at the

• Deep ocean trench

• Mid-ocean ridge

• Continent's edge

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

The oceanic crust is pushed aside on both sides of the 

• Continent's edge
• Deep-ocean trench
• Mid-ocean ridge

Tags

NGSS.MS-ESS2-3

The oceanic crust _________ when it reaches the continental crust.

• sinks
• rises
• expands

Tags

NGSS.MS-ESS2-3

The process that happens at the deep-ocean trench is called...

• sea-floor spreading
• adding material to the ocean floor
• subduction

The land feature that happens when there is subduction is called a...

• mid-ocean ridge
• deep-ocean trench
• asthenosphere

New crust is always formed at the...

• mid-ocean ridge
• deep-ocean trench
• asthenosphere

Older crust is found towards the...

• Mid-ocean ridge
• Deep-ocean trench
• Asthenosphere

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

What words describe M? choose all

• deep ocean trench

• mid ocean ridge

• sea floor spreading

• subduction

Tags

NGSS.MS-ESS2-3

What feature is at C?

• Deep ocean trench

• Mid ocean ridge

• sea floor spreading

• subduction

Tags

NGSS.MS-ESS2-3

What is the process happening at R?

• Deep ocean trench

• mid ocean ridge

• subduction

• sea floor spreading

Tags

NGSS.MS-ESS2-1