1. Open a word processing document and copy the following questions on Plate Tectonics.
  2. Save your Word document as “Plate Tectonics - your name”. If you need help with word processing skills, refer to this site.
  3. Use this PBS site to answer the following questions. Do not copy and paste your answers from the website.
  4. Be sure to answer the questions in complete sentences. You can type your answers under each question.

 
  1. What do scientists believe caused Pangaea to rift or split apart? How many years ago did it split and begin to move?
  2. What are the two theories that explain plate tectonics?
  3. Copy and Paste the diagram of convection currents into your Word document.
  4. Name the four types of boundaries and explain what happens at each one.
  5. Ocean floor spreading is due to what type of boundary? Give the range of speed with which it is being made.
  6. Explain what happens when the ocean floor meets a landmass? What type of boundary is this?
  7. What happens to subducted crust? (Hint: two things)
  8. Describe how the Himalayan Mountains were created. Be sure to name the type of boundary that created them.
  9. What is the most famous transform boundary? Describe what happens at a transform boundary.
  10. Click on the link that says, ˜Back to first page of Plate Tectonics” Click on the section marked Plate Tectonic Activity. Here you will be able to manipulate the plates to see what happens at different boundaries. Explain what you did and what you saw. Use diagrams to illustrate your answer.