| A | B |
| science | learning through observations and reasoning |
| observing | using your senses to gather information |
| qualitative observations | not expressed in numbers |
| quantitative observations | expressed in numbers |
| inferring | interpretation based on observations |
| predicting | forecasting what will happen |
| chemistry | study of matter |
| physics | study of matter and energy interact |
| technology | changing the natural world to meet needs |
| engineer | person trained to use technology and scientific knowledge |
| brainstorming | members freely suggest solutions |
| constraint | a factor that limits or restricts |
| trade-off | exchange of benefits |
| prototype | a working model |
| trouble-shooting | analyzing a problem and fixing it |
| system | parts the work togething |
| scientific inquiry | process of discovery |
| hypothosis | a possible explanation |
| variable | a factor that can change |
| manipulated variable | factor that a scientist changes |
| responding variable | factor that changes as a result of other changes |
| controlled experiment | only one variable is changed at a time |
| data | facts, figures, and evidence |
| comunication | sharing ideas |
| scientific law | what scientist expect to happen everytime |