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

A feature that forms in Earth´s crust when molten material reaches the surface is called a ____________________.

• Mountain

• Volcano

• Rift Valley

• Deep Ocean Trench

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.MS-ESS2-3

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.MS-ESS2-3

NGSS.MS-ESS3-2

A weak spot in the crust where magma has come to the surface.

• motlen

• lava

• volcano

• plate

Tags

NGSS.MS-ESS3-2

Volcanoes commonly form along ​ (a)   boundaries. They can form along ​ (b)   boundaries on land and under the ocean. The ​ (c)   is a series of volcanoes & sites of seismic activity around the edges of the Pacific Ocean. Most of the Ring of Fire volcanoes are formed near ​ (d)   .

• convergent

• divergent

• Ring of Fire

• subduction zones

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS2-1

In "Plates on the Move," Hawaiian islands formed by hot spots. What are hot spots?

• An intensely hot area in the mantle that forms volcanoes when magma rises

• An intensely hot area in the lithosphere that forms volcanoes when magma rises

• Divergent boundary

• Transform boundary

Where do most of the 1,500 volcanoes on Earth occur?

• Indian Ocean

• Himalayan Range

• Mediterranean Sea

• Pacific Ring of Fire

The line of volcanoes that surround the Pacific Ocean's subduction zone is referred to as the

• Trench Ridge

• Hot Spot

• Ring of Fire

• Mid-Ocean Ridge

Answer explanation

The 'Ring of Fire' is a major area in the Pacific Ocean basin where a large number of earthquakes and volcanic eruptions occur, forming a ring of volcanoes around the ocean's subduction zones.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Why does magma force its way to the surface?

• It becomes less dense than the rock around it

• It becomes filled with bubbles which makes it rise up

• It becomes more dense than the rock around it