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chapter 1 vocab


astronomy the study of objects beyond earths atmosphere
meteorology the study of the forces and processes that cause the atmosphere to change and produce weather
geology the study of the materials that make up earth the processes that form and change these materials and the history 0f the planet and its life-forms since its origin is the branch of earth science
oceanography the study of earths oceans which cover nearly three-fourths of the planet
environmental science the study of the interactions of organisms and their surroundings
geosphere the area from the surface of earth down to its center
atmosphere the blanket of gases that surrounds our planet
hydrosphere all the water on earth including the water the atmosphere makes up
biosphere includes all organisms on earth as well as the environments in which they live
scientific methods are a series of problem-solving procedures that help scientists conduct experiments
hypothesis a testable explanation of a situation that can be supported or disproved by careful procedures
independent variable is an experiment is the factor that is changed by the experimenter
dependent variable is a factor that is affected by changes in the independent variable control
control is used in an experiment to show that the results of an experiment are a result of the condition being tested
le systeme international d'unites scientific investigations use a standard system of units
scientific model is an idea picture a system or a mathematical expression that represents the concept being explained
scientific theory is an explanation based on many observations during repeated investigations
scientific law is a principle that describes the behavior of a natural phenomenon
Popular Earth Science sets




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