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Ch. 1 Earth Science

TermDefinition
astronomy study of objects beyond Earth's atmosphere
meteorology study of the atmosphere, which is the 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 planet and its life forms since its origin
oceanography study of Earth's oceans including the creatures that inhabit its waters its physical and chemical properties and the effects of human activities
environmental science study of the interactions of humans with environmental
geosphere part of earth from its surface to its center
atmosphere blanket of gases surrounding earth that contains about 78 percent nitrogen, 21 percent oxygen, and 1 percent other gases such as argon, carbon dioxide, and water vapor
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 problem solving procedures
hypothesis testable explanation of a situation that can be supported
independent variable an experiment is the factor that is changed by the expirementer
dependent variable factor that is affected by changes in the independent variable
control used in an experiment to show that the results of an experiment
le systeme international d'Unites modern version of the metric system
scientific notation a number is expressed as a value between 1 and 10
scientific model an idea, picture, or system
scientific theory explanation based on many observations during repeated investigations
scientific law principle that describes the behavior of a natural phenomenon
Created by: JakeMcGarity
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