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C and E Earthquakes Answer Key

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#1 Any change in the volume of shape of the Earth Crust is called What is Deformation?
#2 This type of sesmic wave arrives first at a seismograph What is a P-wave?
#3 Anticlines and Synclines are two types of What are folds?
#4 The point beneath the Earth's surface where the crust breaks and triggers an Earthquake is called What is the Focus?
#5 This stress pulls on the crust and stretches the rock What is tension?
#1 An instrument used to measure and record ground movements during an earthquake is called What is a seismograph?
#2 This is the process that turns loose soil to mud during an Earthquake What is Liquefaction?
#3 This type of Fault forms when the hanging wall moves UPWARD past the footwall What is a Reverse Fault?
#4 This is the type of stress produced by a strike-slip fault What is Shearing?
#5 The point on the Earth's surface directly above an earthquake's focus is called What is the Epicenter?
#1 This rating system estimates total energy released by an Earthquake What is the moment magnitude scale?
#2 Compression, tension and shearing are 3 types of what What is stress?
#3 Water displaced by an undersea earthquake is called What is a Tsunami?
#4 A large area of flat land that is elevated high above sea level is a What is a Plateau
#5 These are the vibrations that travel through Earth carrying the energy released during an earthquake What are Seismic waves?
#1 This is the strength of earthquakes as measured by sesmic waves and movement along faults What is magnitude?
#2 This is an earthquake that occurs after a larger earthquake in the same area What is an aftershock?
#3 This scale measures the size of the sesmic waves What is the Richter scale?
#4 These waves vibrate side to side and up and down What are S (secondary) waves?
#5 This scale measures the intensity of earthquakes What is the Mercalli scale?
#1 These waves move through BOTH solid and liquid What are P (Primary) waves?
#2 These are the 2 things geologists measure to predict earthquakes What is stress and defomation?
#3 When normal faults uplift a block of rock the result is this What is a fault block mountain?
#4 These faults occur at Convergent boundaries What are reverse faults?
#5 These faults occur at Divergent boundaries What are normal faults?
Final Question
What 2 things do geologists take into account when determining earthquake risk What is the location of the active fault and where past earthquakes have occcurred