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 |