Volcanoes!

What is a volcano?

• A mountain created by tectonic plates following an earthquake.

• A mountain with a huge crater at the top.

• Any place where gas, ash, or melted rock comes out of the ground.

Volcanoes that erupt regularly.

• Active volcanoes

• Dormant volcanoes

• Inactive volcanoes

Volcanoes that have not erupted in a very long time.

• Active volcanoes

• Dormant volcanoes

• Inactive volcanoes

___________ is melted rock below the surface of the Earth.

• Lava

• Magma

• Vent

• Crust

Lava is____________________________________.

• melted rock below the surface of the Earth

• magma that has reached the Earth's surface

All volcanoes are tall mountains.

• True

• False

Volcanoes can be a small crack in the ground.

• True

• False

Volcanoes_____________________________.

• occur only on land

• occur only underwater

• occur on land and underwater

• None of the above

The main exit point where molten magma is pushed up to the surface of the Earth.

• Main Vent

• Secondary Vent

• Crater

• Secondary Cone

• Magma Chamber

Small vents where gasses, lava, and ashes excape.

• Main Vent

• Secondary Vent

• Crater

• Secondary Cone

• Magma Chamber