Rocks
What is study of rocks?
Petrology
What is a volcano that is classified as inactive but activity under the surface could make it become active again?
Dormant
What was the name of the supercontinent that Wegener hypothesized existed millions of years ago that consisted of all the known continents of today?
Pangea
What are vibrations or seismic waves within earth materials that are produced by the rapid release of energy?
Earthquakes
What is the inner most layer of the earth called?
The Core
What describes how rocks are created, distributed, and then melted again to start anew?
Rock Cycle
What is molten rocks that flows out of a volcano or volcanic vent?
Lava
What are boundaries where two plates slide past each other tearing or crunching the other plates?
Transform Boundaries
What is the place on the surface directly above the focus called?
Epicenter
What part of the earth's interior is about 1800 miles in depth and is studied by seismic waves?
The Mantle
What is the classification name of a rock when magma becomes lave then cools and crystallizes on the earths surface?
Extrusive Rocks
What are simple volcanoes which have a bowl-shaped crater at the summit and steep sides?
Cinder Cone
What type of boundary occurs when two plates move away from each other, and new crust is forming from magma that rises to the earth's surface between the two plates?
Divergent Boundaries
What is the actual place underground where the rocks break producing vibrations?
Focus
what is the outermost and thinnest layer of the earth called?
the Crust
What occurs after sediments have been deposited and their weight squeezes the particles together?
Cementation
What is a tube-like structure that allows lava to reach the surface and emerge from an opening at the top of the volcano?
Conduit
The place where the weight of a subducting plate pulls the trailing slab into the subduction zone effectively pulling it down whit it.
Slab Pull
What are series of tremors that help with adjustments in the crust after the earthquake?
Aftershock
What is the transitional border between the upper and lower mantle
MOHO
What are vein deposits of extremely large minerals that can contain rare ores such as lithium and beryllium?
Pegmatite
What type of volcano has no central crater instead has giant cracks or openings in the ground to expel lava?
Fissure Volcano
What was the name of Alfred Wegener's book that explained his theory on continental evolution?
The Origin of Continents and Oceans
What type of energy does the earth store that causes earthquakes?
Elastic Energy
What is the boundary between the lower mantle and the outer core?
Gutenburg Discontinuity