Introduction Intro to earth science Flashcards
earth science
the study of earth as a whole with subcategories of geology, oceanography, meteorology, and astronomy
geology
study of Earth materials and processes that create Earth’s landscape and the study of Earth history
oceanography
study of the oceans
meteorology
study of the atmosphere’s weather and climate
astronomy
study of the universe and Earth’s place within it
hydrosphere
all of the water on Earth
atmosphere
the gaseous envelope surrounding earth
biosphere
all of life on Earth
geosphere
the solid Earth
core
dense inner sphere of Earth
mantle
less dense than core, thickest layer of earth
crust
light and very thin outer layer of earth, not uniform in thickness
lithosphere
rigid outer rock layer of earth that includes the crust and uppermost mantle
asthenosphere
beneath the lithosphere, weak rocks that can slowly flow with the heat and pressure of the earth
earth system
the combined term for the hydro, atmo, bio, and geo spheres
system
a group of interacting parts that form a complex whole
geologic time
time since the creation of Earth
physical environment
nonliving parts of an organism’s environment
renewable resource
can be replenished over a short (relatively) period of time
nonrenewable resource
takes millions of years to gain more and earth has essentially a limited amount of them
natural hazard
a risk posed by the physical environment