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Scientific Method

TermDefinition
scientific method a systematic approach to solve a problem
observation using the 5 senses to collect information or data
inference drawing conclusion of what happened or will happen based on observations
qualitative data describable data based on qualities (color, size, shape) collected by using your senses
quantitative data measurable data (includes numbers)
hypothesis a TESTABLE explanation for an observed phenomenon
conclusion end result; data and observations are included from the experiment, does your conclusion support or refute your claim and or hypothesis
analysis examine data and summarize it
Independent variable 1 variable that the experimenter changes, is found in the question or problem, is tested (the cause)
dependent variable what is being measured in an experiment, the data collected and changes in response to the independent variable
control group receives no treatment (no change, no independent variable)
controlled variables or constants variables or factors in the experiment that stay the same and are not changed
evidence specific data from the change (stimulus)
reasoning biological explanation of why the data supports the claim
claim a statement that answers a question
sources of error are not mistakes but limitations of the experimental design or measurement tools that may affect the accuracy of the results
prediction a statement about what will happen in the future based on current evidence
constraints limitations or restrictions that must be considered when designing solutions to a problem. Including costs, materials, times environmental impact and societal needs
criteria specific requirements that a solution must meet to be considered successful
precision how close a series of measurements are to one another
accuracy a measure of how close a measurement is to the correct or accepted value of the quantity being measured
conduct an investigation students actively design and carry out a structured test, experiment, or field study to gather data and build evidence.
phenomena observable events that happen in the universe and can be explained or predicted using scientific knowledge.
Created by: dzelinski
 

 



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