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Table 2.

Writing rubric for the digestive system.

DimensionsScore
Limited (1)Basic (2)Exemplary (3)
Accuracy of a Claim Claim is incomplete, with less information than necessary, or is scientifically incorrect. Claim is a complete statement with some good connection to data analysis but is confusing. Claim is complete, scientifically correct, and comes directly from the data analysis. 
 Example: Addresses only the process of the digestive system, but the statement is scientifically incorrect. Example: Addresses the process of the digestive system but does not explicitly address the purpose of the digestive system. Example: Addresses the process and the purpose of the digestive system as well as how the digestive system works with other systems (e.g., muscular system, skeleton system). 
Quality of Evidence Evidence is a list of data or just restates “what” happen in the data. Evidence uses important data points and a few unrelated data points to explain what was learned from the investigation. Evidence uses only important data points and focuses on the explanation of “why” and “how” the data consolidate the evidence. 
 Example: Lists the major organs of the digestive system (e.g., teeth, tongue, esophagus, stomach, intestines); nothing is said about the process and purpose of the digestive system. Example: Explains the process of the respiratory system (e.g., to break food into smaller pieces), but nothing is said about the purpose of the digestive system (e.g., to produce energy). Example: Uses the simulation model to explain the process of the digestive system and further extends to the main purpose of the digestive system. 
The Relationship between a Question, a Claim, and a Big Idea Claim does not answer the question. Claim answers the question but is hard to connect to the big idea. Claim directly answers the question and connects to the big idea. 
    
The Relationship between a Claim and Evidence Evidence does not support the claim. Evidence attempts to support the claim but does not explain very well. Evidence supports the claim in detail. 
DimensionsScore
Limited (1)Basic (2)Exemplary (3)
Accuracy of a Claim Claim is incomplete, with less information than necessary, or is scientifically incorrect. Claim is a complete statement with some good connection to data analysis but is confusing. Claim is complete, scientifically correct, and comes directly from the data analysis. 
 Example: Addresses only the process of the digestive system, but the statement is scientifically incorrect. Example: Addresses the process of the digestive system but does not explicitly address the purpose of the digestive system. Example: Addresses the process and the purpose of the digestive system as well as how the digestive system works with other systems (e.g., muscular system, skeleton system). 
Quality of Evidence Evidence is a list of data or just restates “what” happen in the data. Evidence uses important data points and a few unrelated data points to explain what was learned from the investigation. Evidence uses only important data points and focuses on the explanation of “why” and “how” the data consolidate the evidence. 
 Example: Lists the major organs of the digestive system (e.g., teeth, tongue, esophagus, stomach, intestines); nothing is said about the process and purpose of the digestive system. Example: Explains the process of the respiratory system (e.g., to break food into smaller pieces), but nothing is said about the purpose of the digestive system (e.g., to produce energy). Example: Uses the simulation model to explain the process of the digestive system and further extends to the main purpose of the digestive system. 
The Relationship between a Question, a Claim, and a Big Idea Claim does not answer the question. Claim answers the question but is hard to connect to the big idea. Claim directly answers the question and connects to the big idea. 
    
The Relationship between a Claim and Evidence Evidence does not support the claim. Evidence attempts to support the claim but does not explain very well. Evidence supports the claim in detail. 
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