Volcanoes and Plate Tectonics

Volcanoes are usually found

• in the middle of the ocean

• along plate boundaries

• at the edge of continents

• in the southern hemisphere

Tags

NGSS.MS-ESS2-3

Before lava reaches the surface, the molten material is called ____.

• rock

• magma

• volcanic ash

• liquid fire

Molten material that leaves a volcano's vent is called ___________.

• gas

• magma

• lava

• liquid fire

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

This plate is involved in all of the Ring of Fire Volcanoes.

• The Nazca Plate
• The North American Plate
• The Pacific Plate
• The Indian Plate

Tags

NGSS.HS-ESS1-5

This is the name for the chain of volcanos around the edge of the Pacific Plate.

• Circle of Fire
• Ring of Lava
• Ring of Fire
• Circle of Magma

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS2-1

The image shows the Mid Atlantic Ridge. Which type of boundary occurs at this ridge where the ocean floor is spreading apart? 

• convergent
• divergent 
• transform fault

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

What is the crust that makes up the ocean floor called?

• oceanic crust
• crust
• continental crust

Tags

NGSS.MS-ESS2-3

New seafloor is formed through the process of what?

• seafloor spreading
• continental drift
• divergent boundaries

Tags

NGSS.MS-ESS2-2

Scientists think that the movement of Earth's tectonic plates are caused by convection currents, that are located in the _________?

• outer core
• inner core
• mantle

Tags

NGSS.MS-ESS2-1

The place where old crust is pushed down into a trench is called what?

• subduction
• convection current
• deep-ocean trench

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3