Chemistry IA Exemplar: Acide Acétique Concentration Et Courant Induit | RevisionDojo

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IB Chemistry SL Internal Assessment Example

Quel est l’effet du changement de concentration d’acide acétique (CH3 COOH) sur le courant induit dans une cellule électrochimique avec une anode en zinc (Zn) et une cathode en cuivre (Cu)? (What is the effect of changing the concentration of acetic acid (CH3 COOH) on the induced current in an electrochemical cell with a zinc (Zn) anode and a copper (Cu) cathode?)SL

Overall Score

16/24

Criteria A: Research Design

5/6

Criteria Strands

A.1Research question context

Excellent

A.2Methodological considerations

Good

A.3Methodology description

Good

Criteria Feedback

Research question is clearly stated within a specific, discipline-appropriate context.
Theoretical background ties electrode potentials and conductivity theory to the experimental design.
Methodology description is detailed enough for reproduction with few ambiguities.

Real-world application (e.g., battery technology) is only briefly mentioned and could be expanded.
Certain procedural details (immersion depth, electrode surface area) are omitted.
Rationale for chosen concentration range and uncertainty estimates is hinted at but not fully explained.

Criteria B: Data Analysis

4/6

Criteria Strands

B.1Communication of data recording and processing

Excellent

B.2Consideration of uncertainties

Moderate

B.3Data processing quality

Excellent

Criteria Feedback

Data tables and graphs are clearly presented with units and significant figures.
Regression analysis with R² is correct and well captioned.
Error bars are included, showing awareness of measurement variability.

Uncertainty propagation to processed values (slope/intercept) is missing.
Inconsistencies in typographical formatting (decimal commas vs points).
Raw data points on the graph lack individual error bars, and uncertainty on regression parameters is not reported.

Criteria C: Conclusion

4/6

Criteria Strands

C.1Conclusion relevance and support

Excellent

C.2Scientific context comparison

Moderate

Criteria Feedback

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Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

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Criteria D: Evaluation

3/6

Criteria Strands

D.1Methodological weaknesses

Good

D.2Suggested improvements

Good

Criteria Feedback

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.
Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

Loading scores...

Overall Score

16/24

Criteria A: Research Design

5/6

Criteria Strands

A.1Research question context

Excellent

A.2Methodological considerations

Good

A.3Methodology description

Good

Criteria Feedback

Research question is clearly stated within a specific, discipline-appropriate context.
Theoretical background ties electrode potentials and conductivity theory to the experimental design.
Methodology description is detailed enough for reproduction with few ambiguities.

Real-world application (e.g., battery technology) is only briefly mentioned and could be expanded.
Certain procedural details (immersion depth, electrode surface area) are omitted.
Rationale for chosen concentration range and uncertainty estimates is hinted at but not fully explained.

Criteria B: Data Analysis

4/6

Criteria Strands

B.1Communication of data recording and processing

Excellent

B.2Consideration of uncertainties

Moderate

B.3Data processing quality

Excellent

Criteria Feedback

Data tables and graphs are clearly presented with units and significant figures.
Regression analysis with R² is correct and well captioned.
Error bars are included, showing awareness of measurement variability.

Uncertainty propagation to processed values (slope/intercept) is missing.
Inconsistencies in typographical formatting (decimal commas vs points).
Raw data points on the graph lack individual error bars, and uncertainty on regression parameters is not reported.

Criteria C: Conclusion

4/6

Criteria Strands

C.1Conclusion relevance and support

Excellent

C.2Scientific context comparison

Moderate

Criteria Feedback

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.
Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

Criteria D: Evaluation

3/6

Criteria Strands

D.1Methodological weaknesses

Good

D.2Suggested improvements

Good

Criteria Feedback

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.
Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.