| A | B |
|---|
| chemistry | The study of composition, structure, properties, and reactions of matter. |
| qualitative | deals with descriptions |
| quantitative | deals with numbers |
| technology | use of knowledge to solve problems |
| scientific method | organized plan for gathering and communicating information |
| hypothesis | a proposed answer to a question |
| precision | gauge of how exact a measurement is |
| significant figures | digits that are known in a measurement |
| scientific theory | A well tested explanation for a set of observations or experimental results. |
| scientific law | A statement that summarizes a pattern found in nature. |
| model | A representation of an object or event. |
| accuracy | The closeness of a measurement to the actual value of what is being measured. |
| slope | ratio of vertical change to corresponding horizontal change |
| direct proportion | relationship of ratio of two variables are constant |
| inverse proportion | relationship where the product of two variables are constant |
| density | ratio of mass to its volume |
| manipulated variable | variable that causesa change in another variable |
| responding variable | variable that changes in response to a change in the manipulated variable |
| controlled experiment | experiment where only one variable is changed at a time |
