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Sookdeo-Unit 1
Nature of Science
| Term | Definition |
|---|---|
| science | the systematic study of the world around us |
| empirical evidence | proof that includes observations and measurements |
| theory | idea to explain something that is based on observations and support which comes from scientific investigations |
| experiment | organized procedure to study something under controlled conditions |
| observations | using your senses to obtain(get)information |
| hypothesis | a testable idea that leads to a scientific investigation |
| data | information gathered by observation or experimentation that can be used in calculating or reasoning (data is organized using charts and graphs) |
| independent variable (test) | test-the variable that is deliberately manipulated in an investigation (what you change or are testing) |
| dependent variable (outcome) | outcome-changed as a result of the manipulation of the independent variable (the result or outcome) |
| model | representation of an object or a process that allows scientist to study something in greater details |
| inference | Using your observations to make a guess about an object or an outcome |
| Steps of the Scientific Method to solve a scientific problem | Ask a Question, Form a Hypothesis (possible answers),Test the hypothesis using an Experiment,Collect and analyze Data using charts and graphs & Conclusion-was your hypothesis supported or not supported |
| Qualitative Observation | When studying something: describe only facts that you can see, touch, taste, smell and hear (ABC's) |
| Quantitative Observation | When studying something describe only facts that you can measure (1,2,3-Numbers) |
| Prediction | A statement or claim that a particular event will occur in the future. |
| Control group | the group in an experiment that does not change |
| repetition | when you do something over and over again |
| replication | when you repeat an investigation that someone else has done ad get the same results |
| trials | in science, it is how many times you repeated the same experiment, the average number of times is three |
| valid | in science, after completing an investigation, you must determine if you can count your results or if you need to retest. Valid means that it counts. |
| pseudoscience | "false" science but often resembles science but does not have evidence |
Created by:
dsookdeo
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