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17 Cards in this Set
- Front
- Back
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Astronomy
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The study of objects beyond earth's atmosphere
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Meteorology
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Branch of earth science that studies the air that surrounds the earth
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Geology
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The study of materials that makes up earth and the process that forms and changes these materials
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Oceanography
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The study of the earth's oceans and the creatures that inhabit it's waters. It's physical and chemical properties effect human activities.
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Lithosphere
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Earth's rigid outer shell including the crust and the uppermost layer of the mantel
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Asthenosphere
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Parshally molten plastice like flowing layer located below the sold part of the mantel
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Hydrosphere
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All water in earth's oceans, lakes, seas, rivers, and glaciers plus all waters in the atmosphere
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Atmosphere
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Blanket of gas surrounding the Earth that contains 78% nitrogen, 21% oxygen and 1% of gases such as argon, carbon dioxide and water vapor
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Biosphere
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All of the organisms and their environments in which they live
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Control
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Standerd for comparison in an experaments
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Dependant Variable
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Factor in an experament that can change if the Independent Variable is changed
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Hypothesis
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a suggested explanation for an observation often stated in a question that can be answered by the results of an experament
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Independant Variable
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Factor that is manipulated by the experamentor or the experament
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SI system
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Modern version of the metric system based on a decimal system using the number as a base unit includes meters, seconds, liters and kilometers
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Scientific Notation
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a type of short hand used by scientists in which a number expressed as a mutiple and a power of 10
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Law
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Basic fact that describes the behavior of a natural phenomeon
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Theory
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An explanation based on many observations during repeated experaments that is valid only if it is consistent with observations, makes predictions that can be tested and it is the simpler explanation of observations
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