What magnetic readings are detected in stripes of the ocean floor closest to the crest of ocean ridges?
Which term is best described as the creation of new oceanic crust due to the upwelling of magma?
Which of the following theories asserts that earth's crust is broken up into plates?
What makes the Pacific plate unique compared to other plates?
What separates the South American plate and the African plate?
Plate tectonics is the theory that the Earth's crust _____.
What are the plates of the Earth's crust?
What was the main discovery when people began mapping the ocean floor after World War II?
What happens to strips of the ocean floor going out from oceanic ridges?
What discovery was NOT made from mapping the ocean floor?
Which of the following statements about tectonic plates is FALSE?
Which of the following can be formed by a convergent boundary?
The boundary in the picture is
What are tectonic plates?
Which of these is a FALSE statement about hot spots?
When the mantle pushes the edges of a tectonic plate higher, gravity can pull downward on it, causing the plate to move. This is known as what?
What kind of plate boundary is shown in this picture?
Which of the following best defines reversed polarity?
How do the normal and reversed polarity of stripes of ocean floor prove that the earth's magnetic field has changed multiple times since its formation?
Upon studying oceanic ridges, they discovered they were actually _____.
Which of the following major plates is located farthest south?
Which of the following best defines the Mid-Ocean Ridge?
As the leading edge of a tectonic plate moves back into the Earth, gravity can assist its movement downward. This is known as what?
Using an apple as a model of the earth, the peel, fruit, and core represent, in order:
If you had a career as a paleomagnetist, what would you study?
When scientists found identical patterns on either side of the mid-ocean ridge, what did they deduce?
Why was seafloor spreading an important discovery?
Plate tectonics is the theory that the Earth's _____ is broken into pieces that move around on top of the _____.
When plates that are higher at the spreading center flow downhill and eventually flatten out to the ocean floor, we call that _____.
Michigan Merit Exam: Plate Tectonics Chapter Exam Instructions
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