Chapter 6 Volcano Test

A molten mixture of rock forming substances, gases, and water vapor from the mantle.

• Lava
• Magma
• Soup
• Pyroclastic flow

What is Magma when it reaches the surface of Earth?

• Lava
• Mafic Magma
• Felsic Magma
• None of these

A mountain that forms on the Earth's surface when magma moves through cracks.

• Vent
• Pipe
• Volcano
• All of these

An area when material from deep within Earth's mantle rises through the crust and reaches the surface

• Plate
• Convection
• Hot spot
• Tornado

A string of Islands that form a line or "string" near a subduction zone.

• Chain Islands
• Island Arc
• Trench
• Mid-Ocean Ridge

A long tube that extends from a magma chamber up to the vent of a volcano.

• Chamber
• Crater
• Vent
• Pipe

A bowl shaped area that may form at the top of a volcano around the central vent.

• Caldera
• Crater
• Side vent
• Pipe

A pocket of magma below the surface of the Earth.

• Magma Chamber
• Lava tube
• Vent
• Pipe

The spread of lava as it pours out of a vent.

• Magma trail
• Pipe release
• Eruption explosion
• Lava flow

What material makes magma runny if low in content or thick if high in content?

• Lava
• Silica
• Heat
• Basalt