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26 Cards in this Set
- Front
- Back
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how many steps are in the scientific method?
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8
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what is the 1st step of the scientific method?
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state the question
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what is the 2nd step of the scientific method?
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reasearch and collect backround information
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what is the 3rd step of the scientific method?
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form a hypothesis
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what is the 4th step of the scientific method?
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test the hypothesis by experimenting
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what is the 5th step of the scientific method?
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make observations about the experiment
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what is the 6th step of the scienfific method?
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record and interpert data
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what is the 7th step of the scientific method?
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draw a conclusion
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what is the 8th step of the scientific method?
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communicate the results
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hypothesis
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a prediction about the outcome of an experiment
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observing
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using your senses to gather information about the world
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infering
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atempting to explain the reasons behind the things you observe
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predicting
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making an inference about something that might happen ing the future based on past experiences
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data
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the obsrevations and measurements you make during an experiment
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communicating your results
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sharing information that you have learned from an experiment with others
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experiment
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a test of a hypothesis
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variable
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any factor that you change in an experiment
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manipulated variable
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the one factor that a scientist changes during an experiment
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responding variable
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what you measure or observe to obtain your results
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controlled experiment
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an experiment in which all factors are identical except one
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operational definition
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a statement that describes how a particular variable is to be measured or how a term is to be defined
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interpreting data
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looking for a pattern or trend in the data
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drawing a conclusion
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using the pattern in the data to decide whether it proves the hypothesis
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bar graph
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a graphic orgonizer of data from variables that fall into catergories
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line graph
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a graphic orgonizer of data from variables that are measured on a continuous scale
ex; tempurature,time,#of days |
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controlled treatment
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the experimental group with no change in variables
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