Kharon And Michael
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  • 1. Earthquakes By Michal Wright And Kharon Martin Click here to watch a video of
  • 2. Tension
    • Tension pulls the earths crust stretching rock so that it becomes thinner
  • 3. Sheering
    • Stress that pushes a mass of rock in two opposite directions are called sheering
    • Sheering may cause rock to break and slip apart to change its shape
  • 4. Normal fault hanging wall and footwall The block that lies below a normal falts are called a footwall The rock that is above a normal falt is called a hanging wall Normal faults are caused by tension in the earths pulling rocks apart
  • 5. Stress
    • There are 3 kinds of stress
    • 1 tension when rock pulls apart
    • 2 Compression when rocks squeeze
    • 3 Shearing causes rock to slip past each other
    • Here is a example of stress when a candy bar is being torn apart slowly
  • 6. Compression
    • Compression squeezes rock until it folds or breaks
    • Compression pushes rock together forming mountains
  • 7. Special shout out
    • Thinks for providing all of our pictures
    • www.fema.gov /kids
    • www.dkinmages.com
    • www.artherdurkee.net
    • www.eg.bucknell.edu
    • www.geo.wvu.edu
    • www.csulb.edu
    • And a special shoat out to www.google.com