| Term | Definition |
|
pangea |
supercontinent |
|
crust |
thin outer layer of earth on which we live |
|
magma |
melted rock underground |
|
Seismograph |
detects earthquakes |
|
cinder cone |
a volcano made up of mosly ash and cinders |
|
lava |
melted rock that comes out of a volcano |
|
a a |
sharp pointed lava |
|
pahoehoe |
ropy lava |
|
shield volcano |
a gentle sided volcano made up of lava |
|
plate tectonics |
this theory suggest that the earth is made of nine large plates |
|
richter scale |
a scale that measures how big an earthquake is |
|
tsunami |
a large wave made by an undersea earthquake |
|
core |
central part of the earth |
|
hot spot |
the Hawaiian Island chain is created by one of these |
|
Ring of Fire |
this is where most volcanoes and earthquakes happen |
|
ash and cinders |
comes out of volcano |
|
gas and steam |
comes out of volcano |
|
strato volcano |
very explosive, steep sides, half cinders, half lava |