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Chapter1 ES.

Earth Science chapter 1

TermDefinition
astronomy study of objects beyond earth's atmosphere.
meteorology the study of the atmosphere, which is air surrounding earth.
geology study of materials that make up earth and the processes that form and change these materials, and the history of the plant and its life forms since.
oceanography study of earth's oceans including the creatures that in rainfall, which speed, and temperatures based on meteorological records compiled for at least 30 years.
environmental science study of the interactions of humans with environment.
geosphere the part of earth from its surface to its center.
hydrosphere all the water in earths oceans, lakes, seas, rivers, and glaciers plus all the water in the atmosphere.
biosphere all of earth's organisms and the environments in which they live.
scientific methods a series of problem-solving procedures that help scientists conduct experiments.
hypothesis a testable explanation of a situation
independent variable factor aht is manipulated by the experimenter in an experiment.
dependent variable factor in an experiment that can change if the independent variable is changed
control standard for comparison in an experiment.
Le Systeme International d'Unties (SI) replacement for the metric system
Scientific notation a method usedby scientist to express a number as a value between 1 and 10 multiplied by a power of 10
scientific model an idea, a system, or a mathematical expression that represents the idea being explained
scientific theory an explanation based on many observations during repeated experiments;
scientific law a principle that describes the behavior of a natural phenomenon.
Created by: louizatamez
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