Environmental systems and societies (ESS) - Old IA Exemplar: Soil… | RevisionDojo
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IB Environmental systems and societies (ESS) - Old HL Internal Assessment Example
How does increasing soil salinity of 0M, 0.2M, 0.5M, 0.8M, and 1M (NaCl) affect the germination rate of and initial growth of pisum sativum (garden peas) within a two-week period?HL
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Overall Score
24/30
Criteria A: Identifying the Context (CXT)
6/6
0
3
6
Criteria Strands
A.1Research question formulation
Excellent
A.2Environmental issue context
Excellent
A.3Connection between issue and research
Excellent
Criteria Feedback
Clear, coherent and focused research question with precisely defined IV, DV and timeframe
Rich contextualisation of soil salinisation using relevant statistics and geographic focus
Comprehensive explanation of links between salinisation, food security and the germination study
Minor redundancy in wording (phrase “germination rate and early growth” repeated)
Some citations in the environmental context are vague
Criteria B: Planning (PLA)
5/6
0
3
6
Criteria Strands
B.1Method design
Excellent
B.2Sampling strategy
Good
B.3Risk and ethical considerations
Moderate
Criteria Feedback
Detailed, repeatable method that gathers sufficient data across five salinity levels and multiple trials
Clear description of sampling strategy with consistent seed counts and replicates
Identification of key hazards and generic ethical considerations
Terminology inconsistency between “cotton” and “soil” substrate
Sampling replicates are described inconsistently (3 vs. 5 trials) without statistical justification
Risk assessment lacks likelihood/severity ranking and detailed mitigation measures
Criteria C: Results, Analysis and Conclusion (RAC)
4/6
0
3
6
Criteria Strands
C.1Data presentation
Moderate
C.2Data analysis
Moderate
C.3Conclusion drawing
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 D: Discussion and Evaluation (DEV)
4/6
0
3
6
Criteria Strands
D.1Conclusion evaluation
Moderate
D.2Method evaluation
Moderate
D.3Improvements and extensions
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 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)
2/3
0
2
3
Criteria Strands
F.1Structure and organization
Excellent
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.