What occurs after the main event of the earthquake?
Aftershock.
100
Explain the difference between magma and lava.
Magma- beneath surface of the Earth.
Lava- Above the surface of the Earth.
100
Define organic texture of a rock.
A rock composed of fossils or once living matter.
200
These are the two regions separated by the Equator.
The Northern and Southern Hemispheres.
200
What supercontinent existed on Earth before Continental Drift occured?
Pangea
200
Which comes first as the result of an earthquake? S waves, or P waves?
P waves.
200
Define pyroclastics.
Ash and debris that are ejected from a volcanoe during eruption.
200
Define Floresence.
When a rock glows a certain color under a UV light.
300
Define Parallels.
Meridians?
Imaginary lines that run from East to West across the surface of the Earth.
Imaginary lines that run from North to South across the surface of the Earth.
300
What is the term for "All Oceans," existed at time of Pangea?
Panthalassa.
300
Where does an earthquake originate, and where is the greatest effect felt.
Focus, epicenter.
300
Describe the difference between the two types of lava.
Felsic- thick, lighter in color
Mafic- thin, runny, dark in color
300
Define the difference between metallic and non-metallic luster.
Metallic shines like gold, silver, steel...
Non-Metallic doesn't
400
List the Steps of the Scientific Method in order.
State the problem.
Form a hypothesis.
Observe.
Experiment.
Form a conclusion.
400
Define Island Arc.
A chain of volcanic islands that form at a subduction zone.
400
Where do the most frequent and violent earthquakes take place?
Fault zones at strike-slip boundaries.
400
List the three types of volcanoes.
Shield
Cinder Cone
Composite
400
What is the name of the scale used to guage the hardness of a rock.
Mohs.
500
State the months of the following events:
Summer Solstice
Winter Solstice
Vernal Equinox
Autumnal Equinox
June
December
March
September
500
Describe the life of a Tectonic Plate.
Birth in the spreading center, life across the surface of the Earth, and death and recyclation at the subduction zone.
500
Explain the Elastic Rebound theory.
The straightening of plates after snapping under stress, causes the majority of the seismic waves.
500
List the major components of a volcanoe during eruption from bottom to top.
Magma chamber, vent, side vents, outpooring lava, pyroclastic cloud.