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24 Cards in this Set
- Front
- Back
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science
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a process using logic, observation, and prior knowlege to solve problems and answer questions.
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scientific method
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a process of doing science
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observation
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something you detect about your surroundings using your senses.
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purpose
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a question you ask about the obserations you made
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hypothesis
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a positive scientific answer to a question that must be testable
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experiment
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testing your hypothesis by collecting and recording you data
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analysis and conclusion
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interpreting you data to see if your hypothesis was correct.
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repeat
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ensuring that your hypothesis is correct. Yes: repeat again to see if you get the same results. No: create a new hypothesis and test it.
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theory
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explanation of your observations and facts.
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qualitative data
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describing something using adjectives.
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quantitative data
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recording the amount of something using numbers.
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direct observations
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observations made using all the 5 senses.
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indirect observations
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observations made using all senses, except sight (smell, touch, hear, and taste only)
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inferences
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an assumption based on prior knowlege and observations.
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variables
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the conditions that change in an experiment
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independent variable
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the variable that the tester can change.
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dependent variable
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the variable that the tester has no control over.
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controlled experiment
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an experiment that tests one variable at a time.
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control group
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the group of independent variables that is kept at normal conditions to use to compare to the dependent variable.
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experimental group
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the group that changed; used to compare to the controlled group.
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metric system
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the universal system of measurement
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meter
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the base measure of length.
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liter
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the base measure of volume.
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gram
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the base measure of mass.
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