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iRubric: IB Chemistry Experiment Rubric

iRubric: IB Chemistry Experiment Rubric

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IB Chemistry Experiment Rubric 
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: CXW6WW2
By seanfisk
Ready to use
Public Rubric
Subject: Chemistry  
Type: Project  
Grade Levels: 9-12

Powered by iRubric 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.



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