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Hannah's stack

Apologia Physical Science Module 6

QuestionAnswer
What is Earth's crust? Earth's outermost layer of rock
What is Sedimentary rock? Rock formed when chemical reactions cement sediments together, hardening them.
What is Igneous rock? Rock that forms from molten rock
What is Metamorphic rock? Igneous or sedimentary rock that has been changed into a new kind of as a result of great pressure and temperature.
What is Plastic rock? Rock that behaves like something between a liquid and a solid
What is an Earthquake? Vibration of the earth that results either from volcanic activity or rock masses suddenly moving along a fault.
What is a Fault? The boundary between two sections of rock that can move relative to one another.
What is the Focus? The point where an earthquake begins
What is an Epicenter? The point on the surface of the earth directly above an earthquake's focus.
What are the 5 distinct sections of the earth? Hydrosphere, atmosphere, crust, mantle, and core
Of the three types of rock discussed in this module, which type starts out as a different type of rock? Metamorphic rock
Of the five sections of the atmosphere, which can we observe directly? Atmosphere, hydrosphere, and crust
What two regions of the earth does the Moho discontinuity separate? It separates the crust from the mantle.
What is the difference between the ways igneous rock and sedimentary rock form?
What two regions of the earth does the Gutenberg discontinuity separate? It separates the mantle from the outer core.
Of the three types of rock discussed in this module, which type starts out as a different type of rock? Metamorphic rock
What two regions of the earth does the Lehmann discontinuity separate? It separates the outer core from the inner core.
What is unique about the rock in the asthenosphere?
What is the main thing scientists observe in order to learn about the makeup of the earth's interior?
Which is solid: the inner core or the outer core? The inner core
Why is the inner core solid while the outer core is liquid? Because of pressure freezing
Where is the magnetic field of the earth generated? In the earth's core
What are the "plates" in plate tectonics?
What causes the magnetic field of the earth? An electrical current in the core
What is the Rapid-decay theory?
Why would life cease to exist without the earth's magnetic field?
What is the Dynamo theory?
What can happen when plates collide with one another?
What makes the Rapid-decay theory more scientifically valid than the dynamo theory?
What is Pangaea?
Why is a catastrophe like the worldwide flood in Noah's time an essential part of the earth's history if the rapid-decay theory is true?
Why do otherwise good scientists ignore the plate tectonics theory despite the evidence that exists for it?
What causes earthquakes?
What is the elastic rebound theory of earthquakes?
A seismol
Created by: HLup2nogood
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