| A | B |
| fact | close agreement by competent observers of series of observations of the same phenomenon |
| theory | synthesis of a large body of information that encompasses well verified hypotheses |
| hypothesis | educated prediction yet to be proven by experiment |
| science | a method of answering theoretical questions |
| physics | study of matter and energy |
| technology | method of solving practical problems |
| serendipity | accidental discovery |
| mechanics | study of the motion of objects |
| kinematics | science of describing motion of objects with words, diagrams, numbers, graphs and equations |
| vector | measurements with both magnitude and direction |
| scalar | measurements with magnitude only |
| distance | scalar quantity refers to total path traveled, total ground covered |
| displacement | change in position, how far from starting point, how far out of place |
| accuracy | how close a measurement is to the accepted value |
| precision | the degree of exactness; reproducibility of a measurement |