Plate Tectonics
What is oceanic crust made out of?
What is basalt?
What type of seismic waves arrive at an area first?
What are P waves?
What is a weak spot in the crust through which magma reaches the surface (becoming magma)?
What is a volcano?
What is the name of an organism that breaks down waste into material plants can use?
What are decomposers?
What tool measures seismic waves?
What is a seismograph?
What is the outer most layer of the Earth?
What is the crust?
What type of stress causes rock to squeeze together?
What is compression?
What type of lava flow occurs as a result of an explosive reaction?
What is a pyroclastic flow?
What is material called if it is filled with tiny holes?
What is permeable?
What is the name of the process in which rock particles grind away at other rock particles?
What is abrasion?
What process occurs at deep-ocean trenches?
What is subduction?
What is the name of the wall that lies above the footwall?
What is a hanging wall?
What is a volcano called if it is expected to never erupt again?
What is extinct?
What is a measure of how well soil supports plant growth?
What is fertility?
What is the name of the process in which rock particles are carried away by wind or water?
What is erosion?
Where does sea-floor spreading start (where magma rises to the surface)?
What is a mid-ocean ridge?
What is the name of the point on the surface directly above the focus?
What is the epicenter?
What is a volcano called that is made of layers of ash?
What is a cinder cone?
What is the reaction called that causes rust?
What is oxidation?
What is the name of the stress that pulls rock apart?
What is tension?
What type of boundary forms when two plates come near each other?
What is a convergent boundary?
What scale for measuring earthquakes uses damage as the baseline?
What is the Mercalli Scale?
What is the physical property of liquids describing their resistance to flow?
What is viscosity?
What is the last soil horizon to form?
What is B horizon?
What occurs at a divergent boundary between two continental plates?
What is a rift valley?