Stress & Faults
Waves & Energy
Volcanoes & Plates
Eruptions
Volcanic Landforms
100
a force that acts on rock to change its shape or volume
What is stress?
100
the type of wave that arrives first
What are p waves?
100
a weak spot in the crust where magma comes through
What is a volcano?
100
a volcano that is erupting or has shown signs it may erupt in the future
What is an active volcano?
100
the type of volcano that alternates between quiet and explosive eruptions
What is a composite volcano?
200
the type of stress that pulls on the crust and stretches rock
What is tension?
200
the point beneath Earth's surface where the crust breaks and triggers an earthquake
What is the focus?
200
a major volcanic belt that rims the Pacific Ocean
What is the Ring of Fire?
200
the pocket inside a volcano where magma collects
What is the magma chamber?
200
the type of volcano that erupts explosively and produces ash, cinder, and bombs
What is a cinder cone volcano?
300
the type of fault that forms when the hanging wall moves up past the footwall
What is a reverse fault?
300
the fastest seismic waves
What are p waves?
300
an area where magma melts through the crust in the middle of a plate
What is hot spot?
300
the type of eruption that produces thick and sticky lava that is high in silica
What is an explosive eruption?
300
the type of volcano that forms from quiet eruptions
What is a shield volcano?
400
the type of force that produces a strike-slip fault
What is shearing?
400
a huge ocean wave caused by an earthquake
What is a tsunami?
400
a molten mixture of rock-forming substances, gases, and water from the mantle
What is magma?
400
the name for magma when it reaches the surface
What is lava?
400
the landform formed by layers of thin, runny lava that flow over a wide area before they cool and harden
What is a lava plateau?
500
the place where earthquakes are most likely to occur
What are faults along plate boundaries?
500
the process that occurs when an earthquake's shaking turns loose soil into mud
What is liquefaction?
500
the types of plate boundaries where volcanoes are most likely to form
What are spreading and colliding boundaries?
500
the part of a volcano that magma leaves through
What is the vent?
500
the kind of eruption a composite volcano has
What are quiet & explosive eruptions?
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