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15 Cards in this Set
- Front
- Back
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Chemistry
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The study of matter, its properties and interactions.
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Technology
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The application of science to make data gathering/processing, tasks or processes easier.
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Pure Substances
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Every particle in the sample is the same.
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Mixture
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There are multiple types of matter in the sample.
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Element
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(pure substance). Every atom is the sample is the same. They are found on the periodic table.
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Homogenous mixtures
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Also called solution. There is more than one type of matter present, but it looks the same througout- you cannot see the different types of matter.
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Energy
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The ability to do work or casue changes.
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Kinetic energy
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Energy due to motion. Average KE is proportional to temperature.
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Physical change
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A change in which the chemical makeup of the sample is not changed.
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Chemical change
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A change that alters the chemical structure of the material. Different ocmpuds are produced.
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Physical Property
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A property which can be observed or measured without changing the matter chemically.
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Chemical property
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Describes how a type of matter reacts chemically with other matter.
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Hypothesis
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Attempt to explain why behavior occurs.
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Theory
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Explanation of why behavior occurs that is supported by evidence.
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Law
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Description of what occurs or categorization of behavior, often mathematical.
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