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Phs Exam 1 Cont.
Chp 17,18,19
Term | Definition |
---|---|
Know the difference between stresses and strains. | Stress is some force that can compress, pull apart, or deform a rock. The adjustment to stress is called strain |
What is the site of the San Andreas Fault? | 810 miles across California, forms tectonic boundary between Pacific plate and NA plate |
What formed the Himalayan Mountains? | Continent-Continent plate convergence |
What happens when an oceanic plate and continental plate converge? | Shallow and deep seated earthquakes, oceanic trench, volcanic activity, and mountains along the coast |
What caused the group Japan arc islands? | Ocean-ocean plate convergence |
How was the Hawaiian Islands formed? | the pacific plate moved over a hot spot |
What material makes up the crust? | Sial, mostly rocks containing silicon and aluminum |
What is another name "Super" continent? | Pangea |
The ocean contains chains of mountains called________. | Oceanic Ridges |
What is the name of the long valley that runs along the crest of the Mid-Atlantic Ridge? | Rift |
What theory that states Earth's crust is made of rigid plates that float on the upper mantle? | Plate Tectonics |
Name 4 features of Diastrophism | Stress, Strain, Folding, Faulting |
What is the chief difference between a joint and a fault? | Joint is a break in the rock but not displaced on either side of break. Fault is a break in the rock and either side of the break is displaced. |
What is the actual place where seismic waves originate in an earthquake? | Where the rock fractures, also known as the fault |