4/9 Volcanoes Review

Where are volcanoes generally formed?

• Hot spots, transform boundaries, convergent boundaries

• at all boundaries

• hot spots, divergent boundaries, convergent boundaries

• hot spots

Which is true about shield volcanoes?

• gradual slope, relatively gentle eruptions

• steep clope, caldera present, violent eruptions

• always form under the ocean

• always form on land

Which statement is incorrect?

• Most volcanoes are found along plate boundaries

• Volcanoes can form over a hot spot

• Volcanoes form when the weather erodes out a cylinder on top of a mountain

• Volcanoes form near subduction zones

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

Simplest type of volcano. Rarely rises above 100 feet, typically has a bowl shaped crater at the top. Found in Western North America

• cinder cone

• composite volcano

• shield volcano

• hot spot

A steep-sided volcano formed from layers of lava and ash. Has the most violent eruptions

• composite

• shield

• cinder cone

• fire fountain

Built almost entirely of fluid lava flows. Typically has a gentle slope and erupts over a long period of time. Most form over hot spots

• cinder cone volcano

• composite volcano

• lava dome

• shield volcano

Formed by small, bulbous, masses of lava, too thick to flow a great distance. Lava piles up around the vent.

• shield volcano

• composite volcano

• hot spot

• lava dome

One major belt of volcanoes that surrounds the Pacific Ocean

• Ring of Fire

• Ring of Asia

• Ring o' earthquakes

• Ring a ding ding

Tags

NGSS.MS-ESS3-2

An area where material from deep within Earth's mantle rises through the crust and melts to form magma.

• hot spot

• rift zone

• hot soup

• hot pocket

What is the opening that extends from the magma chamber to the top of the volcano called?

• magma
• lava
• vent 
• crater