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BD- a force that acts on rock to change its shape or volume.
MD- a force changing the rock
BD- Stress that stretches rock so that it becomes thinner in the middle.
MD- Stress thats extends the rock
BD- Stress that squeezes rock until it folds or breaks.
MD- Stress squeezing the rock
BD- Stress that pushes masses of rock in opposite directions, in a sideways movement.
MD- Stress pushing in opposite directions
BD- A type of fault where the hanging wall slides downward; caused by tension in the crust.
MD- Fault causing hanging wall slide down
BD-The block of rock that forms the upper half of a fault.
MD-upper half of fault
BD-The block of rock that forms the lower half of a fault.
MD-Lower half of fault
BD-A type of fault where the hanging wall slides upward; caused by compression in the crust.
MD-Hanging wall slides upward
BD-A type of fault in which rocks on either side move past each other sideways with little up or down motion.
MD-Fault causing rocks to slide past
BD-An upward fold in rock formed by compression of Earth’s crust.
MD- An upward fold
BD-A downward fold in rock formed by compression in Earth’s crust.
MD- A downward fold
BD-A large area of flat land elevated high above sea level.
MD-Flat land above sea level
BD-The shaking that results from the movement of rock beneath Earth’s surface.
MD-Shaking of rocks beneath earth's surface
BD-The point on Earth’s surface directly above an earthquake’s focus.
MD-A point on Earth’s surface
BD-The point beneath Earth’s surface where rock breaks under stress and causes an earthquake.
MD-Point where rock breaks
BD-A type of seismic wave that compresses and expands the ground.
MD-Sciesmic wave that compresses the ground
BD-A type of seismic wave that moves the ground up and down or side to side.
MD-Sciesmic wave that moves the ground
BD-A type of seismic wave that forms when P waves and S waves reach Earth’s surface.
MD-Sciesmic wave that forms at Earth's surface
BD-The measurement of an earthquake’s strength based on seismic waves and movement along faults.
MD-Measurement based on strength of earthquake
BD-The state of being intense.
MD-The strength of the earthquake
BD-A device that records ground movements caused by seismic waves as they move through Earth.
MD-A machine that records earthquakes
BD-The record of an earthquake’s seismic waves produced by a seismograph.
MD-The record of the earthquake on paper
BD-The force that opposes the motion of one surface as it moves across another surface.
MD-To rub against one another
BD-An earthquake that occurs after a larger earthquake in the same area.
MD-An earthquake after the first earthquake
BD-A large wave produced by an earthquake on the ocean floor.
MD-A water hurricane
BD-An elastic wave in the earth produced by an earthquake.
MD-A scientific, earthquake wave