Earthquakes & 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

As magma rises towards the surface it collects in a 'room' called a _____ _____ . 

• magma chamber
• side vent
• main vent
• lava chamber

Where are most volcanoes found?

• Southern Hemisphere
• Ring of Fire
• Mid-Atlantic Ridge
• Hot Spots

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

• magma
• lava
• vent 
• crater

A volcano that has gentle sloping sides and is formed from runny lava

• Shield volcano
• Cinder cone
• Composite
• None of these

When an explosive eruption  forms a mixture of hot rock, ash, and gas, this material is called a...?

• Land slide
• Lava
• Eruption trail
• Pyroclastic flow

A volcano that has steep sides and is formed from lava chunks is called

• a shield volcano
• a cinder cone volcano
• a composite volcano

A volcano that is made from layers of both runny lava and lava chunks is called 

• a shield volcano
• a cinder cone volcano
• a composite volcano

Dormant volcanoes might erupt in the future.

• True
• False