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24 Cards in this Set
- Front
- Back
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Science
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a process of using logic and evidence and prior knowledge to answer quiestions
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Scientific Method
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the general process of doing science
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observation
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something that can be detected with your 5 senses and is in your general surroundings
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Purpose
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a question you have about your observations
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hypothesis
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a possible scientific explanation to your purpose that is testable and based on logic, observations,prior knowledge, and eveidence
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Expirement
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testing athe hypothesis and collecting the resulting data.
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analysis and Conclusion
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evaluating and interperting your data to determine whether your hypothesis is correct.
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Repeat
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a repeat of an expirement to find a new hypothesis or to validify your old one.
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theory
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a hypothesis that has een backed by large amounts of evidence thats been collected by many people. It usually explains a large group of facts and obsercvations
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Quantitative observations
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taking measurement, ie temperture, mass, size, distance, velocity etc. about expirement.
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qualitatative observations
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describing general properties of a matierial such as taste' smell,feel,texture, and look.
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Direct observations
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something you can see
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Indirect observations
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obsercations you make using sense beside sight
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Inferences
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an asssumption based on observations and prior knowledge.
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Variables
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conditions that change within an expirement.
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Independent Variables
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variables whose values are not affected by anyone but the scientist.
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dependent varaibeles
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Variables whose values depend on other variables, generally the independent variable.
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Expiremental Group
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a group whose ind variable you change ato compare to the control group
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control group
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a group you keep as normal in order to provide a comparison to the control group
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Controlled expirement
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An expirement that test 1 independent variable at a time. no other independent variable should be changed
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Metric system
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the universal system of measurments used by scientists across the world. its based on power of 10
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meter
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the base metric unit for length
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liter
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the base metric unit for volume
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gram
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the base metric unit for mass
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