| A | B |
|---|
| physical science | the study of matter and energy and can be diveded into chemistry and physics |
| scientific method | a series of steps that scientists use to answer questions and solve problems |
| observation | using the five senses |
| hypothesis | Educated quess- a good explanation for a problem |
| data | the results of an experiment usually in number or words |
| law | a summary of many experiments and accepted as true |
| theory | this can be changed by new evidence |
| model | representation of a object |
| meter | metric unit of length |
| liter | metric unit of volume |
| gram | metric unit of mass |
| density | mass per a unit of volume |
