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the signalman
How volcanoes and Earthquakes are formed- Part 1- an introduction to the moving earth

PART 1:
1. Review from your 7th grade lessons the layers of the earth, from the following website. http://volcano.oregonstate.edu/vwdocs/vwlessons/lessons/Earths_layers/Earths_layers2.html Label the picture below showing which layer is which. Then answer the following questions.

QUESTIONS
1. Which layer is the densest?
2. Which layer has the ability to flow?
PART 2:
2. Here you will answer the question: What does earth’s crust look like? Study the maps from the following website and copy them onto your map below http://www.classzone.com/books/earth_science/terc/content/investigations/es0801/es0801page05.cfm?chapter_no=investigation Use red to dot all the earthquakes
Use blue to dot all the volcanoes
Use green to dot all the mountain belts
Then answer the following questions.

QUESTIONS:
1. Is there a relationship between where mountains, volcanoes, and earthquakes appear? If so what is it?
2. What can you imply about how earth’s crust is shaped below us? Is it one giant layer solid mass that floats above the mantle, or is it broken pieces that all float together above the mantle? Why do you think so?
PART 3:
Read the following webpage and answer the following questions http://www.cotf.edu/ete/modules/msese/earthsysflr/plates1.html QUESTIONS:
1. What does the theory of plate tectonics suggest about earth’s crust?
2. How many plates do scientists think there are? Name 4 of them.
PART 4:
Look at Each video and several of the pictures/ modules below to get a correct idea and definition of each kind of fault, or tectonic plate movement listed below.
1. Draw a picture of what each kind of fault looks like after the plate movement.
2. In the before picture draw a fault line and arrows to show the direction of movement 3. and explain what is going on in the caption
http://www.pbs.org/wnet/savageearth/animations/index.html

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