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Unit 1 vocab
| Term | Definition |
|---|---|
| Scientific Investigation | a method of research in which a problem is identified, relevant data gathered, a hypothesis is a formulated from these data, and the hypotheses is empirically tested. |
| Research | is the systematic investigation of scientific theories and hypotheses. |
| Observation | use of one of the senses or measurement to gather data. |
| Inference | a conclusion drawn from observation as well as previous knowledge. |
| Hypothesis | a possible explanation for a set of observations or answer to a scientific question; must be testable. |
| Experiment | a test, trial, or tentative procedure; an act or operation for the purpose of discovering something unknown or of testing a principle,supposition, etc:. |
| Independent variable | the one factor that a scientist changes during an experiment; also called manipulated variable. |
| Dependent variable | the factor that changes as a result of changes during an experiment; also called responding variable. |
| controlled variable | a variable in which the research holds constant (changes) during an experiment. It is also known as a constant variable or simply as a "control". |
| Control | an experiment designed to check or correct the results of another experiment by removing the variable or variables operating in that other experiment. |
| Data | the information gained from observing and testing an experiment. |
| Conclusion | a short paragraph that discusses the overall results of and experimental procedure and explains weather the proposed hypothesis was correct or not. |
| Analyze | the process of interpreting the meaning of data we have collected, organized, and displayed in the form of a table or graph. |
| Data trends | an upwards or downwards shift in data set over time used to predict what might happen in the future. |
| Scientific Bias | a subject belief that affects a person's attitude toward something; an error in the design of an experiment that effects the results of an experiment. |
| Qualitative data | descriptions in the words of what is being observed(ex: color, odor, texture) |
| Quantitative data | numeric measurements (ex:mass, volume, temperature) |
| Empirical evidence | information gathered through direct observation, experience, or experimentation. |
| Pseudoscience | a collection of claims, theories,or methods that present themselves as scientific but lack a basis in the scientific methods. |
| Objective reasoning | making conclusion based on facts, evidence, and logic. |
| Subjective reasoning | making conclusions based on personal opinions, feelings, and beliefs. |
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