Earth Science

Chapter 1

26 cards   |   Total Attempts: 183
  

Cards In This Set

Front Back
Geology
The study of earth

physical - materials and processes

historical - origin and development
Meteorology
Study of the atmosphere
and the process that produce
weather and climate
Astronomy
Study of the universe
Hypothesis
Tentative explanation for observations

experiments test
science can only prove things to be false
Theory
Well tested and widely accepted view
that best explains certain observable facts
Four spheres
that constitute our environment
Hydrosphere
atmosphere
biosphere
geosphere
Hydrosphere
Dynamic mass of liquid that is continually on the move, evaporating from the oceans to the atmosphere, precipitating on land, and running back to the ocean again
Atmosphere
Gaseous portion of a planet;
the planet's envelope of air
Biosphere
All life on earth;
parts of solid earth, hydrosphere, and atmosphere in which
living organisms can be found
Geosphere
Solid earth
largest sphere
The oceans cover __% of earth's SURFACE
71% of earth's surface
Compositional divisions of earth
Crust
mantle
core
What is the difference beween
the asthenosphere
and the lithosphere?
Lithosphere - outermost, cool, hard, rigid

asthenosphere - soft, weak, close to melting
Where are earth's youngest mountains?
Circum-Pacific belt and
Alps/Himalayas
What is the difference between
shields and stable platforms?
Sheild - expansive, flat region of deformed crystalline rock

stable platform - shield covered in thin layer of sedimentary rocks