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Ch 1 Chemistry
| Question | Answer |
|---|---|
| Chemistry | The stud of matter and its composition, structure, properties, and changes. |
| List the 6 Main branches of Chemistry | -Analytical -Inorganic -Theoretical -Biochemical -Orgnic -Physical |
| Technology | Using knowledge to make and use products to improve our quality of life. |
| Scientific Method | a logical series of steps used to solve problems |
| What are the steps involved in the Scientific Method? | -state problem-gather info-hypothesis-conduct controlled experiments-analyze data-draw conclusions-revise and repeat stps as needed |
| Hypothesis | testable predictions, "educated guess" |
| Variable Factor | Factor being tested in an experiment |
| Controlled Factor | Standard of comparison for variable factor |
| List the 2 types of Data | quantitative and qualitative |
| quantitative | measurments (numbers) |
| qualitative | descriptions (words) |
| Observation | fact perceived with the senses |
| Inference | conclusion based on observations |
| Model | Represenation of an abstract idea |
| Theory | explanation for an event tested over times, supported by broad body of evidence, explains observations |
| Law | description of predictable behavior repeatedly observed over time "Rule of Nature" |