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iRubric: IB Chemistry Experiment Rubric

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IB Chemistry Experiment Rubric This is intended to be used as part of grading IB chemsitry laboratory work. This is based on a 7-point scale, so using percentages for grades will not be accurate to the actual grade. It is a "work in progress" and suggestions for improvements are welcome! Rubric Code: L4X748 By yoderjg Ready to use Public Rubric Subject: Chemistry Type: Project Grade Levels: 9-12

IB - Lab Scoring
	Failure 0 pts	Unacceptable 1 pts	Poor 2 pts	Inferior 3 pts	Acceptable 4 pts	Good 5 pts	Excellent 6 pts	Superior 7 pts
Purpose	Failure No purpose is stated.	Unacceptable Purpose is vague/difficult to interpret.	Poor Purpose is based on concepts learned in prior, lower-level classes.	Inferior Purpose is loosely based on class discussed concepts.	Acceptable Purpose is clearly based on class discussed concepts.	Good Purpose is loosely based on advanced topics discussed in class.	Excellent Purpose is clearly based on advanced topics discussed in class.	Superior Purpose is clearly based on advanced concepts that are related to but not specifically discussed in class.
Intro: Background	Failure No background given.	Unacceptable Background is presented.	Poor Background superficially relates to experiment.	Inferior Background connects relevant theory to experiment.	Acceptable Literature source(s) is/are referenced for background theory.	Good Background includes specifics relating correct theory to experiment.	Excellent Background includes applications of theory as relate to experiment.	Superior Background usefully extends theory beyond what is needed for experiment.
Variables	Failure No variables are identified.	Unacceptable Variables are listed.	Poor Variables are categorized as independent, dependent, and control (at least one in each category).	Inferior Variables are correctly classified.	Acceptable A minimum of 3 correct control variables are given.	Good All variables include methods of measuring/control during experiment.	Excellent Detailed and correct reasoning is given regarding control and measurement.	Superior Reference is made to similar experiments when explaining control & measurement.
Equipment & Safety	Failure No equipment list or safety info is provided.	Unacceptable Some relevant safety issues are stated.	Poor Some relevant equipment is listed.	Inferior All relevant safety issues are listed.	Acceptable All relevant lab equipment is listed.	Good Appropriate safety equipment is listed.	Excellent Appropriate methods are given for the handling of likely safety issues.	Superior Proper and clear disposal directions are given for all chemicals used in experiment.
Procedure: Directions	Failure No procedure given.	Unacceptable A procedure is provided.	Poor Procedure is presented in a step-wise format w/ no significant grammar errors.	Inferior Procedure provides for obtaining suitable number of trials.	Acceptable Procedure will accurately result in useful data related to stated purpose.	Good Specific and appropriate quantities (with units) are indicated for all measurements.	Excellent Appropriate use of font, style, and/or expression is used to highlight key information.	Superior Appropriate use of font, style, graphics, diagrams, and/or related information are included to highlight key information.
Procedure: Lab Skills	Failure Appropriate lab tasks not observed.	Unacceptable Lab tasks are completed.	Poor Student arrives prepared for expected lab safety issues.	Inferior Lab tasks are completed with no safety reminders from instructor.	Acceptable Lab tasks are correctly completed without having to repeat steps due to mistakes.	Good Lab tasks are correctly completed within the allotted time.	Excellent Lab tasks are correctly completed totally independent of instructor assistance.	Superior Creative, safe, and appropriate techniques are observed in response to unexpected lab situations.
Raw Data	Failure No raw data given.	Unacceptable Raw data is given with labels.	Poor Raw data presented in a computer generated format.	Inferior Raw data presented in table format.	Acceptable Raw data includes all proper units.	Good Raw data given with specific, descriptive labels.	Excellent Raw data includes accurate error ranges.	Superior Raw data format incorporates color and/or design that assists (but does not detract from) interpreting data.
Calculations	Failure No calculations shown.	Unacceptable Some calculations are shown.	Poor Calculations contain no obvious mathematical errors.	Inferior Calculations contain no algebraic errors.	Acceptable Calculations lead to reasonable result based on application of correct equations to raw data.	Good Calculations clearly include correct units on all quantitative values.	Excellent Calculations include clear indications of all formulas and/or setups used.	Superior Utilizes organization and formatting to easily assist in following the thought process involved in calculations.
Processing (Graphs)	Failure No graphs shown.	Unacceptable Graph(s) is/are included.	Poor Appropriate title and labels included.	Inferior Appropriate axis scale and units included.	Acceptable Graphs properly represent collected (or processed) data.	Good Useful color and organization are applied to aid interpretation.	Excellent Appropriate error ranges/analysis is clearly indicated.	Superior Link is made between graph and appropriate written section or information.
Processed Data	Failure No processed data given.	Unacceptable Processed data is given with labels.	Poor Processed data presented in a computer generated format.	Inferior Processed table presented in table format.	Acceptable Processed data includes all proper units.	Good Processed data given with specific, descriptive labels.	Excellent Processed data includes accurate error ranges.	Superior Processed data format incorporates color and/or design that assists (but does not detract from) interpreting data.
Error Analysis	Failure No error analysis presented.	Unacceptable Some experimental error is listed.	Poor Some experimental error is superficially described.	Inferior One reasonable source of experimental error is described (including its impact on results).	Acceptable Multiple reasonable sources of experimental error are described (including impact on results).	Good Thorough explanations of error impacts on results are provided.	Excellent Sample data is included as part of demonstrating error impact on results.	Superior Useful graphical flowchart is included demonstrating path of error and its impact on results.
Improvements	Failure No lab improvements presented.	Unacceptable Some lab improvement is given.	Poor Superficial lab improvement relating to experimental error is given.	Inferior One reasonable lab improvement relating to experimental error is described (including impact on results).	Acceptable Multiple reasonable lab improvements relating to experimental errors are described (including impact on results).	Good Thorough explanations of the effect of lab improvements on results are provided.	Excellent Sample data is included as part of explaining effect of lab improvements on results.	Superior Descriptions/references to other experiments are provided which demonstrate the effectiveness of suggested lab improvements.
Conclusions	Failure No conclusion is given.	Unacceptable A conclusion is stated.	Poor Conclusion includes explanation supporting it.	Inferior Conclusion is based on reasonable interpretation of data.	Acceptable Conclusion clearly relates to/answers originally posed question/idea.	Good Conclusion addresses and discusses precision and accuracy of experimental data.	Excellent Conclusion makes clear and correct connections to background theory as discussed in introduction.	Superior Connections are made to other experiments (references included) as part of validating or questioning experimental results.

Keywords:

chemistry IB experiment

Subjects:

Chemistry

Types:

Project

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