QT: Mountain and Volcano Earth Science

What is the term for a glacier that surrounds a mountain peak or ridge?

• Piedmont glacier

• Nunatak

• Tarn

• Cirque

What is the process by which mountains are created?

• Rain shadow

• Orogeny

• Glacier

• Tree line

What effect is created when clouds are blocked by a mountain range, creating a desert on the leeward side of the mountains?

• Glacier

• Tree line

• Rain shadow

• Orogeny

What is the altitude above which trees do not grow on a mountain?

• Tree line

• Glacier

• Orogeny

• Rain shadow

What type of winds descend the slope of a mountain, creating the rain shadow effect?

• Katabatic winds

• Anabatic winds

• Foehn winds

• Leeward winds

What is the term for volcanic craters usually formed by the collapse of the center of volcanoes during eruptions?

• Caldera

• Pyroclastic flow

• Eruption

• Lava

What is the expulsion of lava, tephra, and gases from a volcano called?

• Lava

• Eruption

• Caldera

• Pyroclastic flow

What is the term for magma, or molten rock, that is expelled from a volcano during an eruption?

• Caldera

• Pyroclastic flow

• Eruption

• Lava

What is the term for gas and tephra that flows away from a volcano during an eruption?

• Pyroclastic flow

• Eruption

• Caldera

• Lava

What is the term for fragmentary material ejected from a volcano during eruptions?

• Magma

• Lapilli

• Bomb

• Tephra