| A | B |
|---|
| Science | a system of knowledge and the method used to find that knowledge. |
| Technology | the use of knowledge to solve practical problems. |
| Chemistry | the study of the composition, structure, properties, and reactions of matter. |
| Physics | the study of matter and energy and the interactions between the two through forces and motion. |
| Geology | the study of the origin, history, and structure of Earth. |
| Astronomy | the study of the universe beyond Earth, including the sun, moon, planets, and stars. |
| Biology | the study of living things. |
| Astrology | the arbitrary and unsupported study of the effects of the planetary motions on human beings' attitudes and futures. |
| Scientific Method | an organized plan for gathering, organizing, and communicating information. |
| Observation | information that you obtain through your senses. |
| Hypothesis | a proposed answer to a question that is testable. |
| Independent Variable | the variable that causes a change in an experiment.. |
| Dependent Variable | the variable that changes in response to the variable that you change. |
| Controlled Experiment | an experiment in which only one variable is deliberately changed at a time. |
| 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, system, or event. |
| Scientific Notation | a way of expressing a value as the product of a number between 1 and 10 and a power of 10. |
| Conversion Factor | a ratio of equivalent measurements that is used to convert a quantity expressed in one unit to another unit. |
| Precision | a guage of how exact a measurement is. |
| Accuracy | the closeness of a measurement to the actual value of what is being measured. |
| Slope | the ratio of vertical change to the corresponding horizontal change. |
| Direct Proportion | a relationship in which the ratio of two variables is constant. |
| Indirect Proprtion | a relationship in which the product of two variables is a constant. |
