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26 Cards in this Set
- Front
- Back
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using one or more of your senses to gather information
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observing
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observations tht deal with a number, or amount
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quantitative observations
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observations that deal with descriptions that cannot be expressed in numbers
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qualitative observations
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explaining or interpreting things you observe
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inferring
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making a forecast or what will happen in the future based on experience or evidence
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predicting
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the process or grouping together items that are alike in some way
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classifying
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an attitude of doubt
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skepticism
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A______is a possible explanation for a set of observations or answer to a scientific question
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hypothesis
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A scientific _____is a statement that describes what scientists expect to happen every time under a particular set of conditions.
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law
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1the factor that may change in response to the manipulated variable is called the _______
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responding variable
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A scientific ______is a well-tested explanation for a wide range of observations or experimental results.
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theory
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The one variable that is purposely changed to test a hypothesis is called the ______
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manipulated variable
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why do scientists use a standard measurement system
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to allow scientists to compare data and talk about the data
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Modern scientists use a version of the metric system called the International System of Units, abbreviated as _____________
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SI
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how close a measurement is to the true or accepted value
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accuracy
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how close a group of measurements are to each other
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precision
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the numerical average
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mean
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the number that appears most often in a list of numbers
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mode
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the middle number in a set of data
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median
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the point where the x-axis and the y-axis cross
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origin
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the _____ is the graph line that runs from left to right
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x axis
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the point on a graph showing the location of a piece of data is called a ____
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data plot
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the _____is the graph line that runs up and down
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y axis
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Scientific Method (6)
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Question
Hypothesis experiment data conclusion communicate |
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quantitative
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quantity
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creating a line graph (6)
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draw the horizontal and vertical axes 2)label both axes 3)create a scale of numbers for the range of data 4) plot a data point for each piece of data 5)draw a line of best fit to show the tend of trend of the data 6)add a title which shows the relationship between the variables
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