Volcanoes & Earthquakes Quiz

What is molten rock that is located deep within the Earth?

• Hot Spot

• Magma

• Lava

• Volcano

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

• Intermittent

• Lava

• Magma

• Pyroclastic

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

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

Tags

NGSS.MS-ESS2-1

Where are most volcanoes found?

• Southern Hemisphere

• Ring of Fire

• Mid-Ocean Ridge

• Hot Spots

What is / are sign(s) that a volcano may erupt soon?

• Earthquake activity in the area

• Changes in the shape of the volcano

• Different amounts of gas being produced

• Incoming storms

What is the definition of dormant?

• sleeping

• extinct

• active

• invisible

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

• Shield volcano

• Cinder cone

• Composite

• Hot spot

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 alternating layers of lava and ash

• Shield volcano

• Cinder cone volcano

• Stratovolcano

• Hot spot

Why does magma tend to rise to the surface?

• It has large amounts of silica.
• It contains very little silica.
• It is denser than the surrounding material.
• It is less dense than the surrounding material.