Match the definition with the correct term: the sudden return of deformed rock to its un-deformed shape.


Elastic rebound


Elastic return


Flexible return


Plastic rebound


Match the definition with the correct term: location where the first motion of an earthquake occurs.


Focus


Epicenter


Seismic gap


Match the definition with the correct term: igneous rock formations created when magma does not reach Earth’s surface, but cools and solidifies inside the crust.


Magma


Hot spot


Volcanism


Pluton


Match the definition with the correct term: formed on the ocean floor where one plate subducts under another.


Fissure


Trench


Rift


Vent


Match the definition with the correct term: wide, shallow bay where salt water and fresh water mix.


Lagoon


Fiord


Estuary


Emergent


Match the definition with the correct term: funnel-shaped pit at the top of a volcanic vent.


Crater


Rift


Fissure


Trench


Match the definition with the correct term: produced by runny lava with low viscosity and few trapped gases.


Quiet eruption


Pyroclastic material


Cinder cone


Caldera


Match the definition with the correct term: opening in a volcano from which lava flows.


Fissure


Vent


Rift


Trench


Match the definition with the correct term: mineral resistant to mechanical and chemical weathering.


Silicate


Differential weathering


Quartz


Surface area