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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
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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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