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24 Cards in this Set
- Front
- Back
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metric system
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A system of measurement based on the number 10
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SI
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International System of Units; a version of the metric system used by scientists all over the world
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mass
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A measure of the amount of matter an object contains
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weight
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A measure of the force of gravity acting on an object.
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volume
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The amount of space an object takes up.
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meniscus
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The curved upper surface of a liquid in a column of liquid
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density
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A measure of how much mass is contained in a given volume
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Estimate
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An approximation of a number based on reasonable assumptions
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Accuracy
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How close a measurement is to the true or accepted value
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Significant figures
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All the digits in a measurement that have been measured exactly
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Percent Error
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A calculation used to determine how accurate, or close to the true value, an experimental value really is
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Mean
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The numerical average of the numbers in a list
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Median
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The middle number in a list of numbers
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Mode
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The number that appears most often in a list of numbers
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Graph
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A picture of information from a data table that shows the relationship between variables
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Horizontal axis
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A line that runs left to right along the bottom of a graph, on which the independent variable is labeled
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Vertical axis
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A line that runs up and down along the side of a graph, on which the dependent variable is labeled.
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Origin
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The point where the x-axis and the y-axis cross on a graph.
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Coordinate
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A pair of numbers used to determine the position of a point on a graph
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data point
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A point on a graph showing the location of a piece of data
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Line of best fit
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A smooth line that reflects the general pattern in a graph
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linear graph
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A line graph in which the data points yield a straight line
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slope
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The steepness of a graph line; the ratio of the vertical change (the rise) to the horizontal change (the run)
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nonlinear graph
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A line graph in which the data points do not fall along a straight line
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