physical science chp. 2
Terms
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- control group
- in an experiment, the group that experiences no change in the variable
- verify
- the process of testing the correctness of a solution
- variable
- in a controlled experiment the factor that is deliberately changed or altered
- theory
- a partially verified idea that ties together a number of different observations
- experimental group
- the group in which the variable is altered
- conclusion
- an answer that seems to best fit the data analysis
- hypothesis
- an educated guess at the solution to a problem
- analyze
-
looking for relationships among data
- scientific method
- a systematic way of solving a problem by making observations
- law
- a statement of a consistent pattern of phenomena in nature; a theory that has been verified through numerous experiments and observations
- qualitative data
- descriptive information not involving numbers
- classify
-
to put into groups
- controlled experiment
- an experiment that attempts to look at just one factor or variable that could help answer the original problem
- quantitative data
- measurable or numerical information