| A | B |
|---|
| scientific methods | stages of scientific investigation |
| observation | act of noting or perceiving objects or events using the senses |
| hypothesis | statement that can be tested by additional observation or experimentation |
| prediction | expected outcome of a test |
| experiment | planned procedure to test a hypothesis |
| control group | group in a experiment that receives no experimental treatment |
| independent variable | factor that is changed in an experiment |
| dependent variablee | variable that is measured in an experiment |
| theory | set of related hypotheses that have been tested & confirmed many times by many scientists |
| experimental group | receives experimental treatment |
