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iRubric: Onion/Elodea Cell Lab Rubric

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Onion/Elodea Cell Lab Rubric Characteristics of Life CER Rubric Lab questions, diagrams, and conclusion Rubric Code: DX92XW3 By MaggieWilkins Ready to use Public Rubric Subject: Biology Type: Assessment Grade Levels: 9-12

Observing Cells Lab
	1 pts	2 pts	3 pts	4 pts
Analysis Questions Questions 1-3 Chart with Xs	1 Answers do not adequately explain the connection between the results/evidence and the concept/content.	2 Answers partially explain the connection between the results/evidence and the concept/content.	3 Answers adequately explain the connection between the results/evidence and the concept/content.	4 Answers are clear and insightful while explaining the connection between the results/evidence and the concept/content.
Evidence - Total of 8 pictures Sketches and pictures of cells: 2 - Onion before stain 2- Onion with Lugol's stain 2- Elodea water plant 2- Elodea before and after salt	1 Most sketches/ photos are incomplete or missing Sketches do not show understanding of the data	2 Many elements of the sketches and photos are missing and they do not show understanding	3 The sketches/ photos are included but missing some elements	4 All sketches completely labeled with attention to detail and color.
Conclusion- X2; Use lab prompt Include: 1. organelles present and refer to the chart of ones unable to see 2. compare Plant & Animal cells 3. comment on the use of stains 4.include an AHA moment	1 Conclusion does not adequately explain the connection between the results/evidence and the concept/content (2 pts)	2 Conclusion partially explains the connection between the results/evidence and the concept/content. (4 pts)	3 Conclusion adequately explains the connection between the results/evidence and the concept/content. (6 pts)	4 Conclusion is clear and insightful while explaining the connection between the results/evidence and the concept/content. (8 pts)