Earth Science

Which of the following would you expect after an explosive eruption

Which of these describe a climate change due to a volcanic eruption

A large depression that forms when the magma chamber partially empties is a

A volcanically active area that is not near a tectonic plate

Where tectonic plates separate

A landform caused by repeated eruptions

A crack or opening in the Earth‘s crust

If the water content of magma is high an eruption

A mass of rock formed when a large body of magma cooled inside the crust

Magma that flows on the Earth‘s surface

Dust-sized particles of harden lava

An extinct volcano

The three main types of volcanoes are

Columns of rising magma

A combination of explosive and nonexplosive eruptions will create a

A funnel-shaped pit near a volcano’s vent

Molten rock beneath the surface

Which type of pyroclastic material gets its name from a word that means “little stones“

A shield volcano

A tiltmeter is an instrument that measures

A shield volcano

Which type of lava flows is dripping wax

Underwater volcanoes and mountains

Pyroclastic material forms when

A set of deep cracks between tectonic plates

Rock begins to melt when temperature ___ and pressure ___

A large simecircular depression over a magma chamber

Forms when lava erupts under water

A landform caused by repeated eruptions

Viscosity of lava refers to

Large blobs of magma that harden in the air are called ____

Where are volcanoes most likely to form?

Lava with a high viscosity

Cool, stiff lava that forms jumbled heapsof sharp chunks near the vent is called

A cinder cone volcano

A wide, flat landform; usually covers a large area

Where tectonic plates collide

Vertical rock formation

A dormant volcano

Long crack’s in the Earth‘s crust

The pyroclastic material that can circulate in the atmopshere for years

Which would you see from a nonexplosive eruption?

Movement of one tectonic plate under another

Molten rock deep underground often gathers in

Horizontal rock formation

A small volcano that usually erupts for a short time

Magma tha is blasted into the air and hardens