Volcano!

Weak point in the earth's crust where magma is forced through the surface:

Gasses trapped in magma include all of the following except

Hot, molten rock that has erupted into water or the atmosphere:

Which would NOT form a volcano?

Steep-sided, narrow based volcano:

When one tectonic plate sinks beneath another:

All volcanoes form at plate boundaries:

You can run faster than a pyroclastic flow:

A liquid's resistance to flow is

A rush of gasses, ash and debris flowing down the side of a volcano:

Viscosity of magma is based on its

A volcano that erupts explosively sometimes, and quietly sometimes:

Type of volcano common along convergent boundaries

Hot, molten rock inside the earth:

The "Ring of Fire" circles which ocean?

Air quality is a serious effect of

What type of volcano is Hawaii?

A large depression formed when a volcano's summit collapses is a

A lot of trapped gasses would make a ______________ explosion.

Element that makes magma "sticky" and traps lots of gasses: