Earthquakes By Michal Wright And Kharon Martin Click here to watch a video of

Tension Tension pulls the earths crust stretching rock so that it becomes thinner

Tension pulls the earths crust stretching rock so that it becomes thinner

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

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

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

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

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

Compression Compression squeezes rock until it folds or breaks Compression pushes rock together forming mountains

Compression squeezes rock until it folds or breaks

Compression pushes rock together forming mountains

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

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