| Term | Definition |
|
crust |
the solid outer layer of earth |
|
molten |
made liquid by heat |
|
magma |
hot melted rock underneath the earth's surface |
|
eruption |
a volcanic explosion or large flow of lava |
|
lava |
hot melted rock that flows from a volcano |
|
century |
one hundred years |
|
crater |
a bowl-shaped depression |
|
Norse |
having to do with the ancient Scandinavians |
|
advancing |
moving forward |
|
weathered |
changed because of being exposed to the weather |
|
billowy |
rising in a great wave |
|
cinders |
charred bits of rock |
|
composite |
made up of different substances or parts |
|
summit |
the top of a mountain |
|
extinct |
no longer active; extinguished |
|
collapsed |
fallen inward suddenly |
|
caldera |
a crater formed by a collapsed volcano |