TO SCORE A+ 2025
covergent boundary CORRECT ANSWERS -plates collide
- crust is destroyed
ex/ cascades mt.
transform boundary CORRECT ANSWERS -plates slide past each other
- crust is neither created or destroyed
ex/ san andreas fault
divergent boundary CORRECT ANSWERS -plates move apart
-crust is created
ex/ iceland
oceanic crust CORRECT ANSWERS young, basalt, higher density, thin
continental crust CORRECT ANSWERS old. granite, low density, thick
List and DESCRIBE 3 lines of evidence that support the idea that platesused to be
together CORRECT ANSWERS complementary coastlines, pangea
fossils, when and where plants and animals one existed
seafloor spreading, creation of new crust in divergent boundaries
What it the name of the concept that small, slow processes over a lot of time lead to big
changes? CORRECT ANSWERS uniformitarianism
What is energy? CORRECT ANSWERS the capacity to do work
What is the source of Earth's internal energy? CORRECT ANSWERS heat leftover from
earth's formation
What is the source of Sun's energy? CORRECT ANSWERS nuclear fusion
Give an example of a regional-scale disaster CORRECT ANSWERS 2010 Haiti
earthquake
What type of crust is oldest? CORRECT ANSWERS continental
In a subduction zone, why does the oceanic crust sink below the continental crust?
CORRECT ANSWERS because ocean crust is more dense than continental crust
What is a volcanic arc? CORRECT ANSWERS a chain of volcanoes parallel to a
subduction zone