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- University of Wisconsin - Madison
- Geology
- Geology 100
- Demets,/singer
- Geo 100: Ch. 1 VOCAB
Geo 100: Ch. 1 VOCAB
Geology 100 with Demets,/singer at University of Wisconsin - Madison
About this deck
By: Calli Murphy
Created: 2010-02-12
Size: 22 flashcards
Views: 23
Created: 2010-02-12
Size: 22 flashcards
Views: 23
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geology
the science that studies Earth: how it was born, evolved, works and how we can preserve it.
scientific method
a general plan based on methodical observations and experiments.
hypothesis
a tentative explanation based on data collected through observations and experiments.
theory
a hypothesis that has survived repeated challenges and accumulated a substantial body of experimental support and has been elevated to the "theory" status...it can explain and predict observations, but never finally proved.
scientific model
a precise representation of how a natural system is built or should behave.
topography
measured with respect to sea level, a smooth surface that conforms closely with the squashed spherical shape expected for the rotating Earth.
principle of uniformitarianism
says that the geologic processes we see in action today have worked in much the same way throughout geologic time.
seismic waves
illuminate the interior and can be recorded on seismometers.
core
a dense center that is surrounded by the mantle.
mantle
the shell of silicate-rich rocks that surrounds the core.
crust
composed of low-density silicates, rich in aluminum and potassium.
inner core
a solid metallic sphere with a radius of 1220 km suspended within the liquid outer core
outer core
liquid surrounding the inner core.
Earth system
all the parts of our planet and all their interactions taken together.
lithosphere
strong, rocky outer shell of the solid Earth that comprises the crust and uppermost mantle down to an average depth of about 100 km; forms the tectonic plates.
asthenosphere
weak, ductile layer of mantle beneath the lithosphere that deforms to accommodate the horiz. and vertical motions of plate tectonics.
geosystems
specialized subsystems that describe specific types of terrestrial behavior like climate changes or mountain building
climate
a description of these weather cycles obtained by averaging temp. and other variable over many years of observation.
climate system
all the Earth system components that determine climate on a global scale and how climate changes with time.
plate tectonic system
the convecting mantle and its overlying mosaic of lithospheric plates
magnetic field
deep inside the Earth that is produced by interactions in the third global system.
geodynamo
the geosystem that sustains Earth's magnetic field, driven by convection in the outer core
About this deck
By: Calli Murphy
Created: 2010-02-12
Size: 22 flashcards
Views: 23
Created: 2010-02-12
Size: 22 flashcards
Views: 23
About StudyBlue
STUDYBLUE makes things that make you better at school.
Things like online flashcards with photos and audio.
Things like personalized quizzes and friendly reminders about when (and what) to study next.
Think of it as a digital backpack™: access to all of your study materials online and on your phone.
STUDYBLUE exists to make studying efficient and effective for every student, for free. Join us.
“I have used this website for three exams, and I see a huge difference in my test results.”
Naj
Naj