click below
click below
Normal Size Small Size show me how
Science 8 Intro.
Introduction Notes
| Term | Definition |
|---|---|
| Science | study of the natural world |
| Technology | use of knowledge to solve practical problems |
| Three Scientific Subjects | Life, Earth and Physical Science |
| Two Branches of Physical Science | Chemistry and Physics |
| Chemistry | Study of the makeup, structure, properties and reactions of matter |
| Physics | study of matter and energy and interactions between the two through forces and motion |
| Six Traits of Science | Careful observations, curiosity, creativity, logic, skepticism, objectivity |
| Scientific explanation | description of how a process in nature occurs (should be logical, testable and based on observations and data) |
| Experiment | organized procedure to study something |
| Observations | using senses to gather information |
| Hypothesis | testable idea or explanation that leads to investigation (If ......, then.....) |
| Variable | factor that can change in a scientific investigation |
| Independent Variable | factor that is deliberately changed |
| Dependent Variable | changes as result of independent variable |
| Data | information gathered by observations or experiments; can be used in calculating or reasoning |
| Analyze | determine relationship between independent and dependent variable |
| Scientific Method | 1. Problem 2. Research 3. Hypothesis 4. Experiment (Procedure) 5. Data 6. Conclusion |