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PCS Earth Science

Chapter 1 Vocabulary - The Nature of Science

TermDefinition
hypothesis an educated guess
astronomy the study of the moon, stars, and other objects in space
meteorology science dealing with the atmosphere and weather
geology science dealing with the earth's history as recorded in rocks; study of Earth
oceanography study of Earth's oceans
asthenosphere the soft layer of the mantle on which the lithosphere floats
hydrosphere all the water at and near the surface of the earth; 97% of which is in oceans
atmosphere a mixture of gases that surrounds a planet or moon
biosphere consists of all life on Earth and all parts of the Earth in which life exists, including land, water, and the atmosphere
lithosphere a rigid layer made up of the uppermost part of the mantle and the crust
scientific methods problem solving procedures scientists use to solve scientific mysteries
independent variable the variable that you can change
dependent variable are variables being measured
scientific theory explanation or model backed up by results of many tests and experiments
scientific law is a rule that describes the behavior of something in nature
control is a standard to which your results can be compared
SI units international system of units, the metric system of measurements which is used by all scientists
Created by: Ms.Sala
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