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24 Cards in this Set
- Front
- Back
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Science
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process of asking and answering Qs about world. uses logic, critical thinking, prior knowledge and evidence.
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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 notice about environment by using senses
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hypothesis
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possible answer to question-must be testable and logical
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purpose
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a question you ask about observation you made
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experiment
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testing a hypothesis by collecting and recording new data.
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analysis and conclusion
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evaluating data with tools and evidence to determine if your hypothesis is correct
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repeat
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repeat experiment multiple times by lots of people to determine whether or not it is a reasonable theory
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theory
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tested, backed by evidence, used to explain wide set of observations.
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quantitative observation
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obsvation based on quantity
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qualitative observation
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obsvtn decribe physical things, color, smell, size
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direct observation
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obsvtn made by things that are seen
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inferece
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something you assume to be based on obsvtn and prior knowledge
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variables
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different conditions that change during and experiment
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independent variable
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the varible that you have direct control of
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dependent variable
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varible that changes depending on independent variable
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controlled experiment
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experiment where all aspects are controlled
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control group
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the independent variable is not changed
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experimantal group
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variables are changed in repeating experiment
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metric system
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universal measuring system used by scientists
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meter
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base unit for measuring length
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liter
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base unit for measuring liquid volume
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gram
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base unit for measuring mass
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indirect observation
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obsvtn detected with senses other than sight, such as sound, touch, taste
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