Volcano

What is lava?

• Magma that has cooled down and solidified

• A type of volcanic rock

• Magma that has reached the surface

• The smoke released from a volcano

How many active volcanoes are there on land?

• 300

• 400

• 500

• 600

Where do most volcanoes form?

• At convergent boundaries only

• At divergent boundaries and subduction zones

• At hot spots and convergent boundaries

• Only at mid-ocean ridges

What is an Island Arc in the context of volcanic activity?

• A single volcano located on an island.

• A mountain range formed by volcanic activity.

• A string of islands formed by the curve of the deep ocean trench.

• A circular formation of volcanic islands surrounding a lagoon.

Which of the following islands is the oldest?

• Oahu

• Maui

• Hawaii

• Kauai

Tags

NGSS.MS-ESS2-3

Which of the following islands is the youngest?

• Oahu

• Maui

• Hawaii

• Kauai

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

What is the belt of volcanoes that surrounds the Pacific Ocean?

• Pacific Plate

• Circle of Life

• Ring of Fire

• Mid Ocean Ridge

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS3-2

Tall, cone-shaped mountain in which layers of lava alternate with layers of ash are called

• shield volcano

• cinder cone volcano

• composite volcano

• lava plateau

When magma hardens in volcano's pipe, the result is

• batholith

• volcano neck

• dike

• sill

In volcanic areas, groundwater heated by magma is a source of ______________________

• lava flow

• silica

• pyroclastic flow

• geothermal energy

Tags

NGSS.MS-ESS2-4