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ES ch.1

Vocabulary

TermDefinition
Astronomy study of objects beyond Earth's atmosphere
Meteorology the branch of science concerned with the processes and phenomena of the atmosphere, especially as a means of forecasting the weather.
Geology The science that deals with the earth's physical structure and substance, its history, and the processes that act on it.
Oceanography The branch of science that deals with the physical and biological properties and phenomena of the sea.
Environmental Science study of the interactions of humans with environment.
Geosphere The solid mass of earth, as distinct from the atmosphere and hydrosphere.
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 the Earths atmosphere.
Biosphere all of Earth's organisms and the environments in which they live.
Scientific methods a series of problem-solving procedures that help scientist conduct experiments.
hypothesis A testable explanation of a situation.
independent variable factor that 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'Unites replacement for the metric system; based on a decimal system using the number 10 as the base unit; includes the meter: (m), second: (s), and kilogram: (kg)
scientific notation a method used by scientists to express a number as a value between 1 to 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: kindredmcdaniel
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