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8th grade safety/SM

safety and scientific method

Science A process of observing, studying and thinking about things in the world to gain knowledge
Variable a factor in an experiment that can change
Constant variable that remains the same (does not change)
Independent Variable the variable that is purposely changed. It is the “if” part of the hypothesis, plotted on the X-axis of a graph
Dependent Variable the variable that is measured; the response, the results; the data; the “then” part of the hypothesis; plotted on the Y-Axis of a graph
Control Group the regular (standard) group to which everything is compared
Experiemental Group the group(s) being tested with the independent variable
Repeated Trials the number of times that experiment is repeated.
Hypothesis a educated guess or a testable. Written in an “if, then” format.
Qualitative Observation can be described, but not accurately measured. It does not involve numbers.
Quantitative Observation can be measured accurately and correctly with scientific tools. It involves numbers.
Prediction Use of knowledge to identify and explain observations or changes in advance
Inference The development of ideas based on observations
Fact An observation that has been repeatedly confirmed
Created by: Mrs Lyons



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