Volcanoes

Front

A low, flat, gently sloping volcano built from many flows of fluid, low-viscosity basaltic lava

Back

Shield Volcano

Tags

NGSS.MS-ESS2-1

Front

A steep, cone-shaped hill or small mountain made of volcanic ash, cinders, and bombs piled up around a volcano's opening. There are dissolved gasses in magma chamber, causing an explosive eruption.

Back

Cinder Cone

Tags

NGSS.MS-ESS2-1

Front

A tall, cone-shaped mountain in which layers of lava alternate with layers of ash and other volcanic materials. This type of volcano typically has explosive eruptions.

Back

Composite Volcano

Front

A mound of viscous lava that has been extruded from a volcanic vent.

Back

Lava Dome

Tags

NGSS.MS-ESS2-2

Front

This is a liquid's resistance to flow.

Back

viscosity

Front

Molten rock that reaches the Earth's surface

Back

Lava

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

Front

Molten rock beneath the Earth's surface, includes dissolved gases and crystals.

Back

Magma

Tags

NGSS.MS-ESS2-1

Front

A dense, destructive mass of very hot ash, lava fragments, and gases ejected explosively from a volcano and typically flowing downslope at great speed.

Back

pyroclastic flow

Tags

NGSS.MS-ESS3-2

Front

A volcanic eruption with fluid, low viscosity lava. Typical of Shield Volcanoes

Back

Non-violent, gentle eruption

Front

A violent and unpredictable eruption— the result of magma that is thicker & more viscous, and higher in gas content. Produces Composite volcanoes & Lava domes.

Back

Explosive eruption