| A | B |
|---|
| science | study of nature and the physical world |
| observations | data (facts/information) collected by using the 5 senses |
| qualitative observations | using words to describe the characteristics/properties/traits of matter |
| quantitative observations | observations based on things that can be measured |
| opinion | personal thoughts or feelings about anything;no right or wrong answer |
| inference | correct or incorrect "guess" explaining an observation |
| prediction | an "inference" about something that will happen in the future |
| metric system | internationally used system of measurement used by scientists; based on powers of ten |
| Systeme Internationale | formal (French) name for the metric system |
| kilo- (k) | 1000. |
| hecto- (h) | 100. |
| deka- (da) | 10. |
| deci- (d) | 0.1 |
| centi- (c) | 0.01 |
| milli- (m) | 0.001 |
| meter | base unit for lengths & distances |
| liter | base unit for liquid volume |
| gram | base unit for mass |
| matter ("stuff") | anything that has mass and volume |
| mass | amount of matter in anything |
| weight | measure of the "pull" of gravity |
| volume | amount of space matter takes up |
| problem | question you are trying to answer; what you want to solve |
| research | gathering information that's already known about the "problem" |
| hypothesis | educated guess or prediction to your "problem" |
| variables | any MEASURABLE factors that can change in your experiment |
| independent variable (IV) | variable that is changed by the "scientists" (I change it variable) |
| dependent variable (DV) | variable that RESPONDS to changes made |
| control variable | other factors that are factors kept the SAME so they don't affect/influence "experiment" |
| data | collected/recorded qualitative or quantitative observations |
| graph | "picture" of your quantitative data |
| conclusion | SUMMARY of data that tells if hypothesis is supported or not |
| materials | list of things needed to complete experiment |
| procedures | ordered & numbered list of detailed "steps" of experiment |
