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scientific method: QHPPCRAESC
- questioning
- hypothesizing
- predicting
- planning
- conducting
- recording
- analyzing
- evaluating
- synthesizing
- communicating
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Inference
tentative conclusion based on logic and REASONING
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Hypothesis
tentative answer or an UNTESTED explanation
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Whats the difference between inference and hypothesis?
Inference is a conclusion based on reasoning, hypothesis is an answer that can be tested
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Law:
- What?
- General statement based on extensive observational data about what has happened
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Theory:
- Why?
- explanation of observation of a law
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Similarities between law and theory
both can be proven true/false
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Whats the difference between theory and law?
a law is based on observations, a theory explains the observation
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Variable
any condition that could change in an investigation
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Observations
evidence gained by five senses, recording results/data
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Whats the difference between variables and observations?
Variables are found during the investigation, it could change. Observations are evidence that can be sensed.
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Correlation Study (causation relation)
scientific inquiry that indicates a RELATIONSHIP BETWEEN VARIABLE without purposefully changing or controlling any of the variables
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Positive Correlation Study
one goes up, so does the other
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Negative Correlation Study
one goes up, the other does not
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Observational Study
scientific inquiry made through observations - dont touch, by watching, without 'interfering'
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Conducting Experiment (not a causation relation)
doing something that cause something else to happen - touch, independent & dependent variable
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Dependent Variable
variable that DEPENDS on another variable
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