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33 Cards in this Set

  • Front
  • Back
the study of the earth and the universe around it
earth science
4 major areas of study
the solid earth, the oceans, the atmosphere, the universe beyond it
the study of the origin, history, and structure of the solid earth and the processes that shape it
geology
the study of the earth's oceans
oceanology
the study of the earth's atmosphere
meteorology
the study of the universe beyond the earth
astronomy
the solid earth
geosphere
it's water
hydrosphere
the gases surrounding the earth
atmosphere
the study of the complex relationships between living things and their environment
ecology
a community of organisms and the environment they inhabit
ecosystems
terms ecology and ecosystems come from____?
greek word: oikos (means house)
largest ecosystem
biosphere
the contamination of the environment with waste products or impurities
pollution
able to be broken down into component parts by microorganisms
biodegradable
organized, logical, approaches to scientific research
scientific methods
using the senses of sight touch, taste, hearing, and smell to gather info about the world
observation
comparison of a property of an object or phenomenon with a standard unit
measurement
a possible explanation or solution to a problem
hypothesis
a scientific procedure carried out according to certain guidelinesB
experiment
an experiment set up to test a variable
controlled experiment
a hypothesis or a set of hypotheses that are supported by the results of experimentation and observation
theory
a rule that correctly describes a natural phenomenon
scientific law
band of various colors of light
spectrum
the distance from the crest of one wave to the crest of the next
wavelength
a substance, such as hydrogen or iron, that can't be broken down into a simpler form by ordinary chemical means
element
a series of thin colored lines spaced at uneven intervals
bright-line spectrum
the apparent shift in the wavelengths of energy emitted by an energy source moving away from or toward an observer
Doppler effect
instrument that splits white light into a band of colors
spectroscope
large systems of stars
galaxies
some of the matter gathered into clumps that evolved into galaxies
big bang
low levels of energy
background radiation
theory that all matter and energy in the universe was compressed into an extremely small volume suddenly, billions of years ago, began expanding in all directions
big bang theory