Download plate tectonics webquest

Name
Date
Period
Plate Tectonics and Topographic Maps
WebQuest Task Sheet
Go to: http://www.learner.org/interactives/dynamicearth/index.html
Read the introduction and start your exploration of the Earth. Move the mouse over the diagram of the
Earth. Define the layers of the Earth and draw a diagram which includes all of the layers.
Crust
Mantle
Lithosphere
Asthenosphere
Inner Core
Outer Core
What is the name of the Earth’s only liquid layer?
Which of the Earth’s layers is broken into several pieces?
Move on to the next chapter. Follow the instructions. Next click on “How Do We Know This”
Who is Alfred Wegner, and what idea did Mr. Wegner come up with?
What evidence led him to create his theory?
What is the modern Theory of Plate Tectonics?
Click on Continents Over Time. Attempt to put the images in order. Check your work.
Try again if you need to. Answer the Bonus.
What is the name of the future landform from the Bonus Question? _________________________________
Name
Date
Period
Move on to the next chapter “Plate Boundaries”
What are the three different types of plate boundaries? Draw and describe each type?
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Use your mouse to move over the maps. Look at the plate names and types of boundaries.
What is used for each of the following boundaries?
Convergent Boundaries_______________________
Divergent Boundaries________________________
Transform Boundaries________________________
What do you notice about the tectonic plate names?
Now take the Plates and Boundaries Challenge. Record your score here ______________________________
Move on to “Slip, Slide, Collide” Look at the images and READ.
What happens at plate boundaries?
Click on “See what happens at different plate boundaries”
Read about convergent boundaries.
What type of crust is thicker, oceanic crust or continental?
Next move your mouse over the diagram and define the terms.
Volcanic Arc
Oceanic Crust
Subduction Zone
Continental Crust
Trench
Magma
Volcano
Draw a subduction zone
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Date
Period
Read the paragraphs about subduction zones, and answer the following questions.
a. What forms at subduction zones?
b. When two ocean plates collide at a subduction zone, what is formed?
c. What is a tsunami and how is it formed?
Continue reading. What happens when two continental plates collide?
Move your mouse over the second diagram and define the following terms.
Mountain
Mountain Range
Boundary
How did the Himalayas form? When did they begin to form?
Click NEXT at the bottom of the page. Read about divergent boundaries and Play the animation.
What is sea-floor spreading, and what forms as a result of sea-floor spreading?
What is a rift?
Read about transform boundaries.
What is a fault?
How are earthquakes created?
What is another name for transform boundaries?
Take the Plate Interaction Challenge. Record your score here ___________________.