Volcanoes and Plate Tectonics

The image shows the Mid Atlantic Ridge. Which type of boundary occurs at this ridge where the ocean floor is spreading apart? 

• convergent
• divergent 
• transform fault

Hotspots are found ___.

• at divergent boundaries
• at convergent boundaries
• at transform boundaries
• within a plate (intraplate)

Yellowstone National Park marks the location of a huge ___________

• Island Arc
• Divergent Boundary
• Convergent Boundary
• Hot Spot

The ____________ is a belt of volcanoes around the rim of the Pacific Ocean.

• island arc
• Ring of Fire
• caldera
• hot spot

Where do 75% of active volcanoes occur?

• Intraplate
• Divergent Boundaries
• Convergent Boundaries
• Transform Boundaries

This type of boundary produces the most amount of volcanic rock.

• Intraplate
• Divergent
• Convergent
• Transform

Ocean-Ocean Convergent boundaries form these.

• Hot Spots
• Continental Arcs
• Island Arcs
• Calderas

An example of an Island Arc would be..

• Hawaiian Islands
• Aleutian Islands
• Himalaya Mountains
• Andes Mountains

What are volcanoes under the ocean called?

• Calderas
• Craters
• Sea Holes
• Sea Mounts

What is another name for seamounts?

• Grey Smokers
• Non Smokers
• Black and White Smokers
• Pahoehoe