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ch 1 OV

earth science chapter 1

TermDefinition
astronomy prior to the invention of sophisticated instruments.
meteorology the study of the forces and process that cause the atmosphere to change
geology the study of materials that make up earth
oceanography the study of earths oceans
environmental science study of interactions of organisms and their surroundings
geosphere area from the surface of earth down to its center
atmosphere the blanket of gases that surrounds our planted
hydrosphere all of the water on earth including water that is in the atmosphere
biosphere includes all organisms on earth as well as the environments in which they live.
Scientific methods series of problem solving procedures that help scientists conduct expirements
hypothesis testable explanation of a situation that can be supported to disproved by careful procedures
independent variable factor that is changed in the independent variable
dependent variable affects by changes in the independent variable
control an experiment to show that the results of an experiment are a result of the condition being tested
Le Systeme International d'Unites modern version of the metric system
scientific notation number is expressed as a value between 1 and 10 multiplied by the power of 10
Scientific model idea picture a system or a mathematical expression
scientific theory exlantation based on many observations during repeated investigations
scientific laws principle that describes the behavior of a natural phenomenon
Created by: orlandovasquez
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