Distinguished - Tables 1 through 6 are accurately completed based on data collected through laboratory experimentation.

Proficient - Tables 1 through 6 are completed based on data collected through laboratory experimentation. One minor error, which may include lack of units, is present in the tables.

Basic - Tables 1 through 6 are completed based on data collected through laboratory experimentation. Two errors or omissions, which may include lack of units, are present in the tables.

Below Expectations - Tables 1 through 6 are completed based on data collected through laboratory experimentation. Three or more errors or omissions, which may include lack of units, are present in the tables.

Non-Performance – Does not complete Tables 1 through 6.

Distinguished - Develops a logical hypothesis related to which water sources will contain the most and least chemical components.

Proficient - Develops a mostly logical hypothesis related to which water sources will contain the most and least chemical components. Minor errors in hypothesis format are present.

Basic - Develops a hypothesis related to which water sources will contain the most and least chemical components. Relevant errors in hypothesis format are present.

Below Expectations – Attempts to develop a hypothesis related to which water sources will contain the most and least chemical components; however, the hypothesis does not properly address the experimental question, and significant errors in hypothesis format are present.

Non-Performance – Does not develop a hypothesis related to which water sources will contain the most and least chemical components.

Distinguished - Accurately accepts or rejects the hypothesis proposed in Question 1, and thoroughly explains how this was determined.

Proficient - Accurately accepts or rejects the hypothesis proposed in Question 1, and explains how this was determined. Minor details of the explanation are missing or slightly inaccurate.

Basic - Accurately accepts or rejects the hypothesis proposed in Question 1, and minimally explains how this was determined. Relevant details of the explanation are missing and/or inaccurate.

Below Expectations - Accepts or rejects the hypothesis proposed in Question 1, and attempts to explain how this was determined; however, the explanation contradicts the acceptance or rejection of the hypothesis, and significant details of the explanation are missing and inaccurate.

Non-Performance – Does not accept or reject the hypothesis proposed in Question 1 and explain how this was determined.

Distinguished - Accurately and thoroughly describes the major chemical differences between the Dasani, Fiji, and tap water samples.

Proficient - Describes the major chemical differences between the Dasani, Fiji, and tap water samples. Minor details are missing or slightly inaccurate.

Basic – Briefly describes the major chemical differences between the Dasani, Fiji, and tap water samples. Relevant details are missing and/or inaccurate.

Below Expectations – Attempts to describe the chemical differences between the Dasani, Fiji, and tap water samples; however, significant details are missing and inaccurate.

Non-Performance - Does not describe the major differences between the Dasani, Fiji, and tap water samples.

Distinguished - Thoroughly explains whether any of the samples pose a health concern including evidence from the lab.

Proficient - Explains whether any of the samples pose a health concern including evidence from the lab. The explanation is slightly underdeveloped.

Basic – Minimally explains whether any of the samples pose a health concern including some evidence from the lab. The explanation is underdeveloped.

Below Expectations – Attempts to explain whether any of the samples pose a health concern; however, does not include evidence from the lab, and the explanation is significantly underdeveloped.

Non-Performance – Does not explain whether any of the samples pose a health concern including evidence from the lab.

Distinguished - Thoroughly and accurately explains whether bottled water is worth the price including detailed reasoning.

Proficient - Explains whether bottled water is worth the price including mostly detailed reasoning. Minor details are missing or slightly inaccurate.

Basic – Minimally explains whether bottled water is worth the price including some reasoning. Relevant details are missing and/or inaccurate.

Below Expectations – Attempts to explain whether bottled water is worth the price; however, does not include reasoning, and significant details are missing and inaccurate.

Non-Performance – Does not explain whether bottled water is worth the price.

Distinguished - Displays meticulous comprehension and organization of syntax and mechanics, such as spelling and grammar. Written work contains no errors and is very easy to understand.

Proficient - Displays comprehension and organization of syntax and mechanics, such as spelling and grammar. Written work contains only a few minor errors and is mostly easy to understand.

Basic - Displays basic comprehension of syntax and mechanics, such as spelling and grammar. Written work contains a few errors which may slightly distract the reader.

Below Expectations - Fails to display basic comprehension of syntax or mechanics, such as spelling and grammar. Written work contains major errors which distract the reader.

Non-Performance - The assignment is either nonexistent or lacks the components described in the instructions.

Distinguished - Accurately uses APA formatting for both in-text citations and references at the end of the lab form.

Proficient - Exhibits APA formatting for both in-text citations and references at the end of the lab form; however, layout contains a few minor errors.

Basic - Exhibits limited knowledge of APA formatting for in-text citations and references at the end of the lab form. However, citations and/or references do not meet many APA requirements.

Below Expectations - Does not exhibit basic knowledge of APA formatting for in-text citations and references. There are frequent errors, making the layout of citations and references difficult to distinguish as APA. In-text citations may be missing completely.

Non-Performance - Although the assignment required use of a source to answer one or more questions, no source is cited or referenced on the lab form.  Sources may not have been used, or their use is entirely undocumented.