click below
click below
Normal Size Small Size show me how
PS OGT PRACTICE
Scientific Inquiry
Question | Answer |
---|---|
QUALITATIVE OBSERVATIONS | made by gathering information using your senses about events or processes |
QUANTITATIVE OBSERVATIONS | involve measurement; should include number and a unit. |
INFERENCE | guess based on prior knowledge or experience; may be incorrect if data incomplete. |
HYPOTHESIS | proposed scientific explanation for a set of observations. |
INDEPENDENT VARIABLE | also called the manipulated variable; part of experiment that is deliberately changed. There should only be ONE manipulated variable in a scientific experiment. |
DEPENDENT VARIABLE | also called the responding variable; the variable that is observed and changes in response to the independent (manipulated) variable |
CONTROL GROUP | not exposed to the independent variable so that it can be used as COMPARISON to the experimental data. |