Sea Floor Spreading –
Chapter 8 – Quiz Questions #2
pp. 166 - 173
why magnetic patterns are important evidence for plate tectonics.
were mid-ocean ridges discovered?
was Harry Hess’ hypothesis regarding the ocean floor and how it was made?
two discoveries supported Hess’ hypothesis?
is the study of lithospheric plates called?
what surface do lithospheric plates move?
the two types of lithospheric plates & describe them.
are some questions that are answered by tectonic plates?
is the source of energy that drives the movement of plates?
10. Do lithospheric plates move
quickly or slowly? Explain.
11. Describe the process of
subduction in your own words. What causes it to happen?
12. Name an island chain formed
by a mantle plume hot spot. Describe the process of how it forms.
13. What effect is the
mid-Atlantic ridge having on the country of Iceland?
14. When Pangaea broke apart it is thought it divided into two continents. What were they called and what do the names mean?