Parts of a Volcano

Match the following vocabulary words to their definitions

• melted rock

• 
• where magma is stored

• 
• the explosion of a volcano

• 
• a turbular exit

• 

Match the following vocabulary words to the definitions

• the violent explosion of a volcano

• 
• magma that has reached the surface

• 
• the opening of a vent

• 

What is the difference between magma and lava?

• magma is deep within the Earth and lava is on the surface

• they are the same

• magma is melted rock and lava is an eruption cloud

• lava cools and hardens

What happens when gasses escape a volcano quickly?

• a volcano erupts violently

• a volcano erupts gently

• nothing happens

• an eruption cloud occurs

What happens if the gasses cannot escape quickly? Choose all answers that apply.

• a volcano erupts gently

• a volcano erupts violently

• an eruption cloud occurs

• nothing happens