Volcanoes

Volcanoes that have recently erupted are known as:

• Extinct Volcano
• Dormant Volcano
• Active Volcano
• What's a volcano?

A volcano that has erupted in the last 2000 years but not recently is known as....

• Dormant
• Active
• Extinct
• Angry

Volcanoes that have not erupted for at least 10,000 years are described as...

• Sleeping
• Dormant
• Active
• Extinct

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

• Shield
• 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

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

A subduction zone is...

• plates pull apart.
• the continental plate slides under the oceanic plate.
• where the oceanic plate slides under the continental plate.
• plates slap each other a high five.

Magma that reaches the surface is called:

• Vent
• Hot spot
• Lava
• Cinders

Shield volcanoes have:

• gently sloping sides
• a steep cone shape
• moderately sized sides
• long cracks along plate boundaries

When a volcano erupts, empties the magma chamber, and collapses the top leaving a huge hole.

• Dike
• Caldera
• Silica
• Geyser