What is a naturally occurring inorganic solid, with a specific chemical composition and definite crystalline structure?
Mineral
What scientist studies the formation of volcanoes, lava, magma, and related geological phenomena?
Volcanologist
What is the name of the theory that states how the continent were once joined as a supercontinent?
Continental Drift?
What is the surface trace of a fault, the intersection between the fault plane and the earth's Surface?
Fault Line
What is the study of volcanoes?
Volcanology
What is the property of minerals that indicate how much the surface of the mineral reflects light?
Luster
What type of volcano is currently pouring lava, ash, smoke and steam forth with unstoppable power?
Active
What are huge pieces of crust and rigid upper mantle that fit together at their edges to cover the Earth's surface?
Tectonic Plates
What is a large crack in the earth's crust where one part of the crust has moved against another part?
Fault
What is the study of minerals including their distribution, identification, and properties?
Mineralogy
What is a minerals degree of transparency or ability to allow light to pass through it?
Diaphaneity
What is a specific kind of mudflow that is made up of volcanic debris?
Lahars
What is it where tectonic plates crash into each other instead of spreading apart and the heavier plate slides beneath the lighter one?
Subduction
What is an earthquake that occurs before a larger seismic event and is related to it in both time and space?
Foreshock
What is the study of the earth's characteristics, structures, and connections to its neighbors in space?
Earth Science
What is it called when the tendency of a mineral is to break along curved surfaces without a definite shape?
Fracture
What type of volcanic growth is signified with an eruption of materials that causes the volcano to grow on the inside?
Intrusion
What type of boundary occurs when two continental plates collide head on?
Continental - Continental Convergent Plate Boundaries
What is the largest of the shock in a sequence of earthquakes?
Main Shock
What is the study of materials that make up the earth and the processes that form and change these materials?
Geology
What is it called when the tendency of a mineral is to break along the lines of smooth surfaces when hit sharply?
Cleavage
What are tall, symmetrically shaped volcanoes, with steep sides that are built of alternating layers of lave, volcanic ash, and cinders?
Stratovolcano
What boundary occurs when on oceanic plate becomes subducted under another oceanic plate?
Oceanic - Oceanic Convergent Plate Boundary
What instrument is used to record Earthquake waves?
Seismograph
What is the study of the interactions of organisms and their surroundings?
Ecology