Volcano Lesson 1-3

the solid surface of the earth

• crust

• mantle

• inner core

• outer core

the emission of volcanic products such as lava, gas, and ash from a volcano; usually occurs suddenly

• fissure vents

• shield volcano

• fumarole

• eruption

vent or opening on a volcano that releases high temperature steam and gas

• fissure vent

• fumarole

• caldera

• shield volcano

melted rock; refers to the hardened rock that forms as it cools

• caldera

• magma

• lava

• volcanic ash

to change a solid into a liquid by adding thermal energy

• flow of energy

• crystallization

• eruption

• melting

the semi-solid, thick very hot layer beneath the crust

• crust

• mantle

• inner core

• outer core

to change a liquid material into a solid by removing or releasing thermal energy

• melting

• crystallization

• cycling of matter

• flow of energy

a steep sided, cone shape volcanic peak formed by layers of ash and relatively sticky lava

• shield volcano

• fissure vents

• caldera

• stratovolcano

a broad dome shaped volcano with gentle sloping slides

• shield volcano

• fissure vents

• caldera

• stratovolacano

a linear volcanic vent or vents through which lava and gases erupt

• shield volcano

• fissure vents

• caldera

• stratovolcano