Science Vocab 2

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  1. Sress
    BD- a force that acts on rock to change its shape or volume.

    MD- a force changing the rock
  2. Tension
    BD- Stress that stretches rock so that it becomes thinner in the middle.

    MD- Stress thats extends the rock
  3. Compression
    BD- Stress that squeezes rock until it folds or breaks.

    MD- Stress squeezing the rock
  4. Shearing
    BD- Stress that pushes masses of rock in opposite directions, in a sideways movement.

    MD- Stress pushing in opposite directions
  5. Normal Fault
    BD- A type of fault where the hanging wall slides downward; caused by tension in the crust.

    MD- Fault causing hanging wall slide down
  6. Hanging Wall
    BD-The block of rock that forms the upper half of a fault.

    MD-upper half of fault
  7. Footwall
    BD-The block of rock that forms the lower half of a fault.

    MD-Lower half of fault
  8. Reverse Fault
    BD-A type of fault where the hanging wall slides upward; caused by compression in the crust.

    MD-Hanging wall slides upward
  9. Strike-Slip wall
    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
  10. Anticline
    BD-An upward fold in rock formed by compression of Earth’s crust.

    MD- An upward fold
  11. Syncline
    BD-A downward fold in rock formed by compression in Earth’s crust.
  12. MD- A downward fold
  13. Plateau
    BD-A large area of flat land elevated high above sea level.

    MD-Flat land above sea level
  14. Earthquake
    BD-The shaking that results from the movement of rock beneath Earth’s surface.

    MD-Shaking of rocks beneath earth's surface
  15. Epicenter
    BD-The point on Earth’s surface directly above an earthquake’s focus.

    MD-A point on Earth’s surface
  16. Focus
    BD-The point beneath Earth’s surface where rock breaks under stress and causes an earthquake.

    MD-Point where rock breaks
  17. P-wave
    BD-A type of seismic wave that compresses and expands the ground.

    MD-Sciesmic wave that compresses the ground
  18. S-wave
    BD-A type of seismic wave that moves the ground up and down or side to side.

    MD-Sciesmic wave that moves the ground
  19. Surface Wave
    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
  20. Magnitude
    BD-The measurement of an earthquake’s strength based on seismic waves and movement along faults.

    MD-Measurement based on strength of earthquake
  21. Intensity
    BD-The state of being intense.

    MD-The strength of the earthquake
  22. Seismograph
    BD-A device that records ground movements caused by seismic waves as they move through Earth.

    MD-A machine that records earthquakes
  23. Seismogram
    BD-The record of an earthquake’s seismic waves produced by a seismograph.

    MD-The record of the earthquake on paper
  24. Friction
    BD-The force that opposes the motion of one surface as it moves across another surface.

    MD-To rub against one another
  25. Aftershock
    BD-An earthquake that occurs after a larger earthquake in the same area.

    MD-An earthquake after the first earthquake
  26. Tsunami
    BD-A large wave produced by an earthquake on the ocean floor.

    MD-A water hurricane
  27. Seismic Wave
    BD-An elastic wave in the earth produced by an earthquake.

    MD-A scientific, earthquake wave

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Science Vocab 2
2010-10-21 02:46:49
Science Vocab

My Science Vocabulary
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