Mid Ocean Ridges

Mid-ocean ridges form the longest mountain ranges on Earth.

• true

• false

Tags

NGSS.MS-ESS2-3

_______

are mountain chains on the ocean floor.

• Sea-floor ridges

• Mid-ocean ridges

• Tectonic plates

• Photosynthesis

Tags

NGSS.MS-ESS2-3

Mid-ocean ridges are the sites of intense _________ activity.

• emotional

• volcanic

• earthquake

• mathematical

At a mid-ocean ridge, melted rock rises through cracks in the _________.

• ceiling

• river

• inner core

• sea floor

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

What are Mid-Ocean Ridges?

• A chain of underwater waterfalls 

• A chain of underwater volcanos

• A chain of underwater mountains

• A chain of underwater rocks

Tags

NGSS.MS-ESS2-2

The __________________ are chains of undersea mountains.

• Mid-Ocean Ridges

• Ocean Trench

• Divergent boundary

• Transform boundary

What process describes the movement of oceanic plates away from each other at mid-ocean ridges, leading to the formation of new seafloor?

• Subduction

• Seafloor spreading

• Convergent boundary movement

• Transform boundary movement

A long chain of undersea mountains

a

oceanic plates

mid ocean ridge

sea floor spreading

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

What do you expect to find at a mid-ocean ridge?

• relative young rocks

• reverse fault

• thick accumulation of sediments

• very ancient rocks

Tags

NGSS.MS-ESS2-3

How do mid-ocean ridges contribute to the process of plate tectonics?

• By absorbing excess magma from the mantle

• By pushing tectonic plates towards each other

• By serving as sources for new oceanic crust

• By preventing the movement of tectonic plates

Tags

NGSS.MS-ESS2-2