Volcanoes

I can determine the meaning of and use

key vocabulary words correctly.

Billowy

Thin, hot, quick moving lava called pahoeloe forms a smooth, billowy

surface

Billowy (adj)- rising in a great wave

Cinders

CollideAfter a volcanic eruption, cinders cover the

ground around the blast zone.

Cinders (n) – charred bits of rock; ashes.

Crater

Funnel Cloud• A crater can be found at the top of a volcano after an eruption. It can look like a large bowl shaped hole.

Funnel Cloud

• Crater (n) – a bowl-shaped depression

Crust

Jagged• When the Earth’s crust cracks, often cinders and ash will be released.

Jagged• Crust (n)- the solid outer layer of the Earth.

Eruption

Lightning• The eruption rocked the ground and

covered the town with debris.

Lightning• Eruption (n)- a volcanic explosion or large

flow of lava

Lava

Prairies

• Lava slowly oozed out of the crack in the Earth’s crust.

Prairies

• Lava (n)- hot melted rock that flows from a volcano.

Magma

Rotate• Magma pushes up through the Earth’s

crust, and bursts into the world as lava.

Magma (n)- hot melted rock underneath the Earth’s surface.

Molten

Severe• The molten rock exploded from the crater

raining balls of fire down upon the forest.

Molten (adj)- made liquid by heat.

Summit

Sizzling• The summit of Mt. St. Helen’s was blown

off by a powerful eruption in 1980.

Summit (n) the top of a mountain

Weathered

Tornadoes• The wind, rain and ocean weathered the rocks into pock marked lumps.

Weathered (v)- changed because of being exposed to the weather.

Vocabulary for Volcanoes by Seymour Simon