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TermDefinition
Earthquakes Movements of the ground that occurs when rocks inside Earth pass their elastic limit, break suddenly, and experience elastic rebound.
Fault Fracture that occurs when rocks break and that result in relative movement of opposing sides; can form as a result of compression, being pulled apart, or shear
Seismic Waves Earthquake waves, including primary waves, secondary waces, and surface waves.
Focus Point deep inside Earth where energy is, realeased, causing an earthquake
Epicenter Point on Earths surface directly above an earthquakes focus
Seismograph Instument used to record seismic waves
Magnitude A measure of the energy released by an earthquake
Tsunamis Powerful seismic sea wave the begins over an ocean-floor earthquake, can reach 30 m in height when approaching land, and can cause destruction in coastal areas.
Seismic Safe Describes the ability of structures to stand up against the vibrations caused by an earthquake.
Volcanoes Cone-shaped hill or mountain formed when hot magma, solids, and gas erupt onto Earths surface through a vent.
Lava Molten rock flowing onto Earths surface
Sheild Volcano Large, broad volcano with gently sloping sides that is formed by the buildup of basaltic layers.
Cinder Cone Volcano Relatively small volcano formed by moderate to explosives eruptions of tephra
Composite Volcano Steep-sided volcano formed from alternating layers of violent eruptions of tephra and quiter versions of lava
Rifts Long crack, fissure, or trough that forms between tectonic plates moving apart at plate boundaries
Hot Spots Hot, molten rock material that has been forces upward from deep inside Earth, which may cause magma to break through Earth's mantle and crust and may form volcanoes
Normal Fault Rocks are pulled apart
Strike-Slip Fault Rock are Sheared
Reverse Fault Rock are compressed
Tephra Bits of rock or solidified lava dropped from the air
Earthquakes Movements of the ground that occurs when rocks inside Earth pass their elastic limit, break suddenly, and experience elastic rebound.
Fault Fracture that occurs when rocks break and that result in relative movement of opposing sides; can form as a result of compression, being pulled apart, or shear
Seismic Waves Earthquake waves, including primary waves, secondary waces, and surface waves.
Focus Point deep inside Earth where energy is, realeased, causing an earthquake
Epicenter Point on Earths surface directly above an earthquakes focus
Seismograph Instument used to record seismic waves
Magnitude A measure of the energy released by an earthquake
Tsunamis Powerful seismic sea wave the begins over an ocean-floor earthquake, can reach 30 m in height when approaching land, and can cause destruction in coastal areas.
Seismic Safe Describes the ability of structures to stand up against the vibrations caused by an earthquake.
Volcanoes Cone-shaped hill or mountain formed when hot magma, solids, and gas erupt onto Earths surface through a vent.
Lava Molten rock flowing onto Earths surface
Sheild Volcano Large, broad volcano with gently sloping sides that is formed by the buildup of basaltic layers.
Cinder Cone Volcano Relatively small volcano formed by moderate to explosives eruptions of tephra
Composite Volcano Steep-sided volcano formed from alternating layers of violent eruptions of tephra and quiter versions of lava
Rifts Long crack, fissure, or trough that forms between tectonic plates moving apart at plate boundaries
Hot Spots Hot, molten rock material that has been forces upward from deep inside Earth, which may cause magma to break through Earth's mantle and crust and may form volcanoes
Normal Fault Rocks are pulled apart
Strike-Slip Fault Rock are Sheared
Reverse Fault Rock are compressed
Tephra Bits of rock or solidified lava dropped from the air
Earthquakes Movements of the ground that occurs when rocks inside Earth pass their elastic limit, break suddenly, and experience elastic rebound.
Fault Fracture that occurs when rocks break and that result in relative movement of opposing sides; can form as a result of compression, being pulled apart, or shear
Seismic Waves Earthquake waves, including primary waves, secondary waces, and surface waves.
Focus Point deep inside Earth where energy is, realeased, causing an earthquake
Epicenter Point on Earths surface directly above an earthquakes focus
Seismograph Instument used to record seismic waves
Magnitude A measure of the energy released by an earthquake
Tsunamis Powerful seismic sea wave the begins over an ocean-floor earthquake, can reach 30 m in height when approaching land, and can cause destruction in coastal areas.
Seismic Safe Describes the ability of structures to stand up against the vibrations caused by an earthquake.
Volcanoes Cone-shaped hill or mountain formed when hot magma, solids, and gas erupt onto Earths surface through a vent.
Lava Molten rock flowing onto Earths surface
Sheild Volcano Large, broad volcano with gently sloping sides that is formed by the buildup of basaltic layers.
Cinder Cone Volcano Relatively small volcano formed by moderate to explosives eruptions of tephra
Composite Volcano Steep-sided volcano formed from alternating layers of violent eruptions of tephra and quiter versions of lava
Rifts Long crack, fissure, or trough that forms between tectonic plates moving apart at plate boundaries
Hot Spots Hot, molten rock material that has been forces upward from deep inside Earth, which may cause magma to break through Earth's mantle and crust and may form volcanoes
Normal Fault Rocks are pulled apart
Strike-Slip Fault Rock are Sheared
Reverse Fault Rock are compressed
Tephra Bits of rock or solidified lava dropped from the air
Earthquakes Movements of the ground that occurs when rocks inside Earth pass their elastic limit, break suddenly, and experience elastic rebound.
Fault Fracture that occurs when rocks break and that result in relative movement of opposing sides; can form as a result of compression, being pulled apart, or shear
Seismic Waves Earthquake waves, including primary waves, secondary waces, and surface waves.
Focus Point deep inside Earth where energy is, realeased, causing an earthquake
Epicenter Point on Earths surface directly above an earthquakes focus
Seismograph Instument used to record seismic waves
Magnitude A measure of the energy released by an earthquake
Tsunamis Powerful seismic sea wave the begins over an ocean-floor earthquake, can reach 30 m in height when approaching land, and can cause destruction in coastal areas.
Seismic Safe Describes the ability of structures to stand up against the vibrations caused by an earthquake.
Volcanoes Cone-shaped hill or mountain formed when hot magma, solids, and gas erupt onto Earths surface through a vent.
Lava Molten rock flowing onto Earths surface
Sheild Volcano Large, broad volcano with gently sloping sides that is formed by the buildup of basaltic layers.
Cinder Cone Volcano Relatively small volcano formed by moderate to explosives eruptions of tephra
Composite Volcano Steep-sided volcano formed from alternating layers of violent eruptions of tephra and quiter versions of lava
Rifts Long crack, fissure, or trough that forms between tectonic plates moving apart at plate boundaries
Hot Spots Hot, molten rock material that has been forces upward from deep inside Earth, which may cause magma to break through Earth's mantle and crust and may form volcanoes
Normal Fault Rocks are pulled apart
Strike-Slip Fault Rock are Sheared
Reverse Fault Rock are compressed
Tephra Bits of rock or solidified lava dropped from the air
Created by: avathepony