| A | B |
|---|
| exercise | solution is obvious; you have al l you need to complete a task |
| problem | a step or something is missing; don't have what you need to complete a task |
| hypothesis | testable prediction |
| independent variable | changed or manipulated in an experiment |
| dependent variable | measurable outcome of an experiment due to manipulation |
| control | that group that doesn't receive the independent variable |
| experimental group | that group that receives the independent variable |
| constant | factors that are the same for the experimental and control groups |
| observation | data collected through the senses |
| pure science | the accumulation of knowledge and information |
| applied science | useful output of pure science |
| technology | synonym of applied science |
| null hypothesis | stated as no change because of the independent variable |
| physical science | the study of matter and energy |
| chemistry | the study of matter |
| physics | the study of energy |
| procedure | the steps that you take in an experiment |
| model | a structure used to represent something |
| qualitative data | data that is based on description |
| quantitative data | data that is based on numbers |
| theory | based on many experiments and conclusions |
| conclusion | you arrive at this at the end of an experiment |
