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science vocab

TermDefinition
scientific investigation a method of research in which a problem is identified, relevant data gathered, a hypothesis is formulated from these data, and the hypothesis is empirically tested.
research is the systematic investigation of scientific theories and hypotheses.
observation use of one of the senses or measurement to gather data.
inference a conclusion drawn from observations as well as previous knowledge.
hypothesis a possible explanation for a set of observations or answer to a scientific question: must be testable.
experiment a test, trial, or tentative procedure; an act or operation for the purpose of discovering something unknown or of testing a principle, supposition, etc.
independent variable the one factor that a scientist changes during an experiment.
dependent variable the factor that changes as a result of changes to the independent variable.
controlled variable a variable in which the researcher holds constant during an experiment.
control an experiment designed to check or correct the results of another experiment by removing the variable(s) operating in that other experiment.
data the information gained from observing and testing an experiment.
conclusion a short paragraph that discusses the overall results of an experimental procedure and explains whether the proposed hypothesis was correct or not
analyze the process of interpreting the meaning of the data we have collected, and displayed in the form of a table or graph.
data trends an upward or downward shift in a data set over time used to predict what may happen in the future.
scientific bias a subjective belief that affects a person's attitude towards something; an error in the design of an experiment that affects the results of the experiment.
qualitative data descriptions in words of what's being observed (ex: color, odor, texture.)
quantitative data numeric measurements (ex: mass, volume, temperature.)
empirical evidence information gathered through direct observation, experience, or experimentation.
pseuodoscience a collection of claims, theories, or methods that present themselves as scientific but lack a basis in the scientific method.
objective reasoning making conclusions based on facts, evidence, and logic.
subjective reasoning making conclusions based on personal opinions, feelings, and beliefs.
Created by: user-2020629
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