VOLCANOES

Front

TRUE OR FALSE: The higher the temperature of magma is, the higher is its viscosity.

Back

FALSE

Front

Viscosity is the property of the material’s resistance to flow. TRUE or FALSE?

Back

TRUE

Front

TRUE OR FALSE: The more viscous and thicker the material is, the less its resistance to flow.

Back

FALSE

Front

TRUE OR FALSE: As lava flows, it cools and begin to harden thus, its ability to flow increases and eventually it stops.

Back

FALSE

Front

TRUE OR FALSE: Lava with low amount of gas and high silica content is very viscous and does not flow out as it rises.

Back

TRUE

Front

Which characteristic of a volcano depends on its magma emission? Options: age, shape, size, location

Back

size

Front

What is true about volcanoes with high amounts of dissolved gas and high amounts of silica?

Back

They are extremely explosive.

Front

Periodic weak to violent eruption characterized by fountain lava.

Back

Strombolian

Tags

NGSS.MS-ESS3-2

Front

It is a violet eruption due to the contact between water and magma.

Back

Phreatomagmatic

Tags

NGSS.MS-ESS2-4

Front

It is characterized by tall eruption columns that reach up to 20 km high with pyroclastic flow and ash fall tephra.

Back

Vulcanian