Volcanoes

What is molten rock that has formed deep within the Earth?

• Hot Spot
• Magma
• Lava
• Volcano

What is molten rock that has reached the Earth's surface?

• Aa
• Lava
• Magma
• Pahoehoe

Volcanoes are found...

• on land

• under water

• on islands

• all of the above

__________ volcanoes are usually steep sided. They are formed from layers of ash.

• Shield

• Cinder Cone

• Dormant

• Extinct

__________ volcanoes are formed from fast flowing, lava which flows easily over the surface, forming larger volcanoes with gentle sides.

• Cone
• Composite
• Angel
• Shield

Where are volcanoes most likely to form?

• along plate boundaries

• near the center of continents

• near water

• on the moon

Tags

NGSS.MS-ESS2-3

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

A bowl shaped area that may form at the top of a volcano

• crater

• vent

• tube

• leftovers

This is from explosive eruptions that hurls ash, gases, cinders, and bombs from the main vent.

• Volcano bomb

• Geyser

• Geothermal energy

• Pyroclastic flow

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS3-2

Magma's resistance to flow, or how thick it is, is called:

• silica
• viscosity
• hot spot
• caldera

Tags

NGSS.MS-PS1-4