6 terms

Volcanoes-Investigation 1

STUDY
PLAY
volcano
any opening in Earth's crust through which hot gases, rocks, and melted material erupt
magma
melted rock within the Earth
lava
refers to the melted rock when it reaches Earth's surface
cinder cone
a type of volcano made up of layers of cinders with very steep sides
shield cone
a type of volcano with gently sloping sides due to lava that quietly flows from the vent
composite cone
a type of volcano with steep slopes near the top and gentle slopes near the base because of alternating layers of lava and rock; formed by the most explosive volcanoes