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40 Cards in this Set
- Front
- Back
Amorphous
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a non-crystalline substance, of no definite form, with no definite melting point
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Axis
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On a line graph, one of two number lines that intersect at zero
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Bar Graph
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The type of graph on which straight lines, or bars, are used to present a picture of the data
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Best fit line
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A line on a graph that connects some but not all the points and has half the points on either side
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Binary Classification
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Grouping objects on the basis of whether or not they have a certain property
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Boil
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The process in which bubbles of gas form within a liquid that has been heated to a high enough temperature
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Calibrate
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To mark a measuring instrument with graduations so that it can be compared to a standard of measurement
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Classified
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Grouped on the basis of given properties
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Condensation
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The physical process by which a vapor becomes a liquid or solid; the opposite to evaporation
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Crystal
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The special shape or form produced by the arrangement of particles in a solid
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Crystaline
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A body that is bounded by plane surfaces that are systematically arranged in a pattern determined by internal structure. A substance with a definite melting point
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Data
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Measurements and observations used to solve a problem
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Data Table
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An arrangement of data in rows or columns for easy reference
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Dependent Variable
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a variable whose numerical value depends upon another variable
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Diffusion
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The natural movement within gases and liquids that spreads out odors and colors
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Dynamic Equilibrium
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Balance between two opposing continuing processes
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Equilibrium
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balance
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Evaporation
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The change of phase from the liquid state to the gaseous state
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Extrapolating
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Predicting information beyond know data points on a graph
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Fractional Distilation
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The process of driving off gas, or vapor, from a liquid, as by heat, and the condensing of those gases in a retort or still
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Graph
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a picture of data
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Histogram
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Another name for a bar graph
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Horizontal Coordinate
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the X value on a line graph
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Independent Variable
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A quantity which is given different known values which often result in changes in value of the dependent variable
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Interpolation
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Predicting or estimating data between known points on a graph
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Kinetic particle theory
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The model used to explain changes of state of materials and the motion of particles
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Kinetic theory of matter
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The model that states all materials are made up of particles that are in constant motion
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Line Graph
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A graph drawn on a rectangular grid, with number lines drawn at right angles to each other
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Mixture
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Matter that consists of two or more substances and can be separated by physical means
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Model
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Anything, either physical or mental, that is used to explain the unfamiliar in terms of something familiar. Models
are often used to explain observations, predict behaviors, and visualize objects that cannot be directly observed |
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Particle theory of matter
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The model that states that all materials are composed of small particles
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Phase
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A particular condition or appearance of matter; as the solid phase, the liquid phase or the gaseous phase
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Rotational Motion
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The turning or movement of a molecule about its axis. It occurs in liquids and gases
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Scale
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Anything that is graduated that is used as a measurement of quanity
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Scientific Method
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The set of skills used to solve problems in an orderly way
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Temperature
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The degree of hotness or coldness as indicated on a definite scale
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Thermal Expansion
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The expansion of a substance due to heat
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Translational Motion
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The motion that is characteristic of particles in the gaseous state and occurs to a limited degree
in liquids. The particles change their positions with respect to each other |
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Vertical Coordinate
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the Y value on a line graph
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Vibrational Motion
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An oscillating or back-and-forth motion of a molecule. It is the only type of particle motion in the solid state of matter
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