Environmental systems and societies (ESS) - Old IA Exemplar: Acidity… | RevisionDojo
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IB Environmental systems and societies (ESS) - Old SL Internal Assessment Example
How does increased acidity (6.0 pH, 5.5 pH, 5.0 pH, 4.5 pH, 4.0 pH)
affect the germination (sprout length) of
radish seeds (Raphanus sativus) as an environmental stressor?SL
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Overall Score
25/30
Criteria A: Identifying the Context (CXT)
5/6
0
3
6
Criteria Strands
A.1Research question formulation
Excellent
A.2Environmental issue context
Excellent
A.3Connection between issue and research
Excellent
Criteria Feedback
Research question is precise and focused, specifying organism, pH levels and response variable
Introduction clearly outlines causes and consequences of acid deposition with quantitative citation
Logical, continuous explanation linking acid rain chemistry to nutrient availability and germination
Some repetition of the research question and minor grammar issues
Missing citation for the pH of normal rain
Figure captions lack full source information
Criteria B: Planning (PLA)
5/6
0
3
6
Criteria Strands
B.1Method design
Good
B.2Sampling strategy
Moderate
B.3Risk and ethical considerations
Moderate
Criteria Feedback
Procedure is clearly numbered and repeatable with appropriate controls and sufficient replicates (100 seeds)
Rationale given for organism choice, pH range and pH meter calibration
Evening checks and temperature controls strengthen repeatability
Use of lime juice introduces confounding organic acids
Sample size choice and randomization are described but not fully justified
Risk assessment omits a probability/severity analysis and neutralization steps
Criteria C: Results, Analysis and Conclusion (RAC)
5/6
0
3
6
Criteria Strands
C.1Data presentation
Excellent
C.2Data analysis
Good
C.3Conclusion drawing
Excellent
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: Discussion and Evaluation (DEV)
4/6
0
3
6
Criteria Strands
D.1Conclusion evaluation
Moderate
D.2Method evaluation
Good
D.3Improvements and extensions
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.
Criteria E: Applications (APP)
3/3
0
2
3
Criteria Strands
E.1Application proposal
Excellent
E.2Solution evaluation
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.
Criteria F: Communication (COM)
3/3
0
2
3
Criteria Strands
F.1Structure and organization
Good
F.2Terminology and concision
Good
F.3Logic and coherence
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.