Mod+3+-+Zac+B

Dynamic earth

three types of plate actvity
 * divergant magma ries and pushs
 * convergantthe plates collided
 * transform grind together

there are lots of major plates and dozen of smaller ones there are six major ones they are north America, African

embbedd with such as america africa and the artartic plains the minnors are no less imporotant when comes to shapping the earth

volcanos

when thick magma and large amounts of gas build up under the earth and equrptions and blow up into the air and leaves out lava rocks and ash

less gas more viscos magma usally mean a less dramatic eruption earthquakes

earthquakes are also called temblors

80 percent of all eathquakes occour of the rim of the pafic ocean

most earthquakes occour at fault zones

a mearsing 3 to 5 is considred minionr earthquake 5 to 7 is to be really strong

south america plate is about 1/3 land mass with a convergant

brasilia is about 875 from the east coast



citation

http://environment.nationalgeographic.com/environment/natural-disasters/earthquake-profile.html

http://science.nationalgeographic.com/science/earth/the-dynamic-earth/plate-tectonics-article.html

http://environment.nationalgeographic.com/environment/natural-disasters/volcano-profile.html

http://science.nationalgeographic.com/science/earth/the-dynamic-earth

http://www.soest.hawaii.edu/GG/ASK/plate-tectonics2.html