VOLCANOS

Magma that forces across rock layers hardens into a 

Which of the following helps to determine how easily magma flows?

The formation of the Hawaiian Islands is one example of

When ash, cinders, and bombs build up in a steep pile around a volcano’s vent, the result is a

  If a volcano’s magma is high in silica, the volcano will probably

  What provides the force that causes magma to erupt to the surface?

Volcanic belts form along

The long tube in the ground that connects the magma chamber to Earth’s surface is called the

The main hazard from a quiet volcanic eruption is

The huge hole left by the collapse of a volcanic mountain is called a

Tall, cone-shaped mountains in which layers of lava alternate with layers of ash are called