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25 Cards in this Set
- Front
- Back
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What is...Science?
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A process of understanding the world where information is gained.
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Technology
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The application of information to make living easy.
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Chemistry
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The study of the composition, structure, properties, & reactions of matter.
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Physics
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The study of matter & energy, & the interactions between the two through forces & motion.
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Geology
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The study of the origin, history, & structure of earth.
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Astronomy
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The study of the universe beyond earth.
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Biology
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The study of life & it's processes.
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Scientific Method
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An organized plan used for gathering, organizing, & communicating information.
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Observation
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The information obtained through the senses.
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Hypothesis
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A proposed answer to a question.
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Manipulated Variable
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The variable that causes a change in another variable.
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Responding Variable
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A variable that changes in response to a change in the manipulated variable.
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Controlled Experiment
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An experiment in which only one variable, the manipulated variable, is deliberately changed at one time.
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Scientific Theory
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A well-tested explantation for a set of observations or experimental results.
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Scientific Law
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A statement that summeriees a pattern found in nature.
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Model
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A representation of an object or event.
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Scientific Notation
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A way of expressing a value as the product of a number between 1-10 & a power of 10.
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Conversion Factor
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A ratio of equal measurements that is used to convent a quanity from one unit to another.
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Precision
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A gauge of how exact a measurement is.
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Significant Figures
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All the digits in a measurements that are directly measured, plus the last digit, which is estimated.
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Accuracy
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The closeness of a measurement to the true value of what is measured.
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Thermometer
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An instrument that measures temperature.
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Slope
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The steepness of a line, equal to a ratio of a vertical change to the corresponding horizontal change.
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Direct Proportion
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A realtionship between two variables in which their ratio is constant.
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Inverse Proportion
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A relationship in which the product of two variables is a constant whenall other variables are held constant.
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