Science Vocab List #2

  1. seismic waves
    the vibrations caused by an earthquake
  2. earthquake
    the shaking of the ground caused by sudden movement of large blocks of rock along a fault
  3. epicenter
    the point on the Earth's surface directly above the focus of an earthquake
  4. focus
    in an earthquake, the point where rocks first begin to move underground
  5. seismograph
    an instrument that constantly records ground movement
  6. magnitude
    measure of an earthquake size; a measure of the energy of an earthquake; specifies on the Richter scale
  7. aftershock
    a smaller earthquake that fallows a more powerful earthquake in the same area
  8. tsunami
    a water wave caused by an earthquake, volcanic eruption, or landslide
  9. liquefaction
    a process in which the shaking of the ground causes loose, wet soil to act like a liquid
  10. fault
    a fracture in the Earth's lithosphere along which blocks of rocks move past each other.
Card Set
Science Vocab List #2
Vocab #2 List Science