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# Chapter 2 process skills

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### Chapter 2 process skills

1. 1. Process Skills<br />SCED 570, Fall 2011 <br />Chap2.<br />
2. 2. Classification <br />Process of grouping <br />Binary classification: Sorting objects into 2 groups based on a particular property<br />Multistage classification <br />Serial classification: sorting objects in a logical order on the basis of the extent or degree to which they demonstrate a common attribute <br />Dichotomous key: a tool that scientists can use to help identify a particular specimen <br />
3. 3. Serial classification<br />
4. 4. Serial classification<br />
5. 5. Measurement <br />Quantify variables using a variety of instruments and nonstandard/standard units<br />Nonstandard units: it is difficult to consistently compare objects that cannot be held side by side<br />Standard units: enable consistent descriptions and comparisons of measured objects that are not side by side and cannot be directly compared <br />
6. 6. Communication<br />Convey information from one part to another <br />Record data in multiple ways and present them to others<br />
7. 7. Inference <br />Interpretation of observation<br />Draw a tentative conclusion about objects, organism, or events base on observation and prior knowledge <br />
8. 8. Inference <br /><ul><li>You will find a line drawing of fossil tracks found in a layer of sandstone in Colorado. Your task is to make observations and inferences for each part.</li></li></ul><li>Prediction <br />Statements of future observation <br />Make a forecast of a possible outcome of an investigation based on known patters in data <br />Interpolation: between available data points p.39<br />Extrapolation: outside the collected data points p.40<br />