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24 Cards in this Set
- Front
- Back
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Science
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a process of asking and answering questions using prior knowledge and resources
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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 in your environment using any of your senses
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purpose
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a question about the observation you have made
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hypothesis
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a possible scientific answer to your question
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experiment
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testing hypothesis by collecting and recording data
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analysis and conclusion
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evaluating your data and interpret to determine of your hypothesis was right.
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repeat
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if your data doesn't support your hypothesis, make a new one
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theory
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used to explain a wide set of observed facts and observations
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quantitative observations
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invole taking measurements , such as temperature, mass, size, distance, velocity etc.
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qualitative observations
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involve describing the general properties of a material that may be used to identify it; color, smell, feel, texture, etc
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direct observation
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an observation you use your sight to make
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indirect observation
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an observation you make by using any of your senses besides sight.
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inferences
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something you assume to be true based on observations and prior knowledge
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variables
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the conditions that change during an experiment
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independent variable
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the variable you can control
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dependent variable
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the variable you cant control
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controlled experiment
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you test the variables one at a time, keeping the others constant
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control group
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the independent variable is not changed to provide a comparison, conditions are not changed
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experimental group
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the independent variable is changed to compare results with the control group
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the metric system
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the universal system of measurement used my scientists
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meter
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used to measure length
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liter
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used to measure volume
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gram
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used to measure mass
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