9-12 SCHOOLS Chemistry I Spring 2003 Revision PROCESS SKILLS CHECKLIST for Core Labs

Core Lab Number:

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I. Observe and Measure

1. Identify qualitative changes in reactions and quantitative changes in chemical reactions given conditions (e.g. temperature, mass, volume, time, position, length, etc.) before, during, and after an event

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2. Use appropriate tools (e.g. metric ruler, graduated cylinder, thermometer, balances, spring scales, stopwatches, etc.) when measuring objects and/or events

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3, Use appropriate SI units (i.e. grams, meters, liters, degrees Celsius, and seconds); and SI prefixes (i.e. micro-, milli-, centi-, and kilo-) when measuring mass, volume, and temperature

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II. Classify based on similarities, differences, and interrelationships

1. Using observable properties, place an object or event (i.e. chemical versus physical, electrons into charge, electron levels, and reaction types) into a classification system

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2. Identify properties on which classification system is based

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III. Experiment by making observations and measurements to test ideas

1. Evaluate the design of a chemical laboratory investigation

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2. Identify the independent variables, dependent variables, and controls in an experiment

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3. Use mathematics to show relationships within a set of observations (i.e. conservation of mass and stoichiometry)

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