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15 Cards in this Set

  • Front
  • Back
a characteristic of an organism that increases its chance of survival in its environment
the layers of gas that surround Earth, other planets, or stars
the smallest unit of a chemical element that can still retain the properties of that element
the imaginary line on which an object rotates (e.g., Earth’s axis runs through Earth between the North Pole and the South Pole); an imaginary straight line that runs through a body; a reference to the line in a coordinate system or graph
an animal or plant that consumes or obtains nutrients from animals
change of state
a physical change that occurs when matter changes to another state (i.e., liquid, gas, or solid)
chemical change
a reaction or a change in a substance produced by chemical means that results in producing a different chemical
all the populations of organisms belonging to different species and sharing the same geographical area
substance made up of combo of two or more elements held together by chemical bonds & can't be separated physically properties unlike those of the elements that make up the compound
the process of changing from a gas (i.e., water vapor) to a liquid (i.e., dew); the act of making more dense or compact
controlled use/maintenance of natural resources; various efforts to preserve or protect natural resources
a star pattern identified and named as a definite group; usually thought of as forming certain shapes or figures in a specific region of the sky
an organism that feeds on other organisms for food
any organism that feeds or obtains nutrients by breaking down organic matter from dead organisms
density (matter)
concentration of matter of an object