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. Two or fewer minor errors, which may include lack of units, are present in the tables.

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

Non-Performance - Fails to complete Tables 1 through 6.

Distinguished - Develops three logical hypotheses related to the ability of oil, vinegar, and laundry detergent to contaminate groundwater.

Proficient - Develops three mostly logical hypotheses related to the ability of oil, vinegar, and laundry detergent to contaminate groundwater. Minor errors in hypothesis format are present.

Basic - Develops three hypotheses related to the ability of oil, vinegar, and laundry detergent to contaminate groundwater. Major errors in hypothesis format are present.

Below Expectations - Develops hypotheses related to the ability of oil, vinegar, and laundry detergent to contaminate groundwater. Hypotheses fail to properly address the experimental question.

Non-Performance - Fails to develop three hypotheses related to the ability of oil, vinegar, and laundry detergent to contaminate groundwater.

Distinguished - Accurately accepts or rejects each of the three hypotheses proposed in Question 1 and thoroughly explains how this was determined.

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

Basic - Accurately accepts or rejects each of the hypotheses proposed in Question 1 and explains how this was determined. Intermediate details of the explanation are missing or inaccurate.

Below Expectations - Accepts or rejects the hypotheses proposed in Question 1 and explains how this was determined. Explanation contradicts the acceptance or rejection of the hypotheses or major inaccuracies are present in the explanation.

Non-Performance - Fails to accept or reject the hypotheses proposed in Question 1.

Distinguished - Accurately and thoroughly details the effects that each of the three contaminants had on the water in the experiment and describes which had the most potent effect.

Proficient - Details the effects that each of the three contaminants had on the water in the experiment and describes which had the most potent effect. While the response is thorough, minor details are missing or inaccurate.

Basic - Details the effects that each of the three contaminants had on the water in the experiment and describes which had the most potent effect. Intermediate details are missing or inaccurate.

Below Expectations - Details the effects that each of the three contaminants had on the water in the experiment and describes which had the most potent effect. Major details are missing or inaccurate.

Non-Performance - Fails to detail the effects that each of the three contaminants had on the water in the experiment and describe which had the most potent effect.

Distinguished - Utilizes at least one scholarly source to accurately and thoroughly discuss the effects of the three contaminants on a town’s water source and its inhabitants.

Proficient - Utilizes at least one scholarly source to discuss the effects of the three contaminants on a town’s water source and its inhabitants. Minor details are missing or inaccurate.

Basic - Utilizes at least one scholarly source to discuss the effects of the three contaminants on a town’s water source and its inhabitants. Intermediate details are missing or inaccurate.

Below Expectations - Utilizes at least one source to discuss the effects of the three contaminants on a town’s water source and its inhabitants. Major details are missing or inaccurate, or the source is not appropriate or scholarly.

Non-Performance - Fails to discuss the effects of the three contaminants on a town’s water source and its inhabitants.

Distinguished - Accurately and thoroughly describes what type of human activity could cause these contaminants to enter the water supply and details other household items that could contaminate the water supply if dumped on the ground.

Proficient - Describes what type of human activity could cause these contaminants to enter the water supply and details other household items that could contaminate the water supply if dumped on the ground. Although the response is thorough, minor details are missing or inaccurate.

Basic - Describes what type of human activity could cause these contaminants to enter the water supply and details other household items that could contaminate the water supply if dumped on the ground. Intermediate details are missing or inaccurate.

Below Expectations - Describes what type of human activity could cause these contaminants to enter the water supply and details other household items that could contaminate the water supply if dumped on the ground. Major details are missing or inaccurate.

Non-Performance - Fails to describe what type of human activity could cause these contaminants to enter the water supply and detail other household items that could contaminate the water supply if dumped on the ground.

Distinguished - Develops a logical hypothesis related to the ability of the lab filtration to remove contaminants.

Proficient - Develops a mostly logical hypothesis related to the ability of the lab filtration to remove contaminants. Minor errors in hypothesis format are present.

Basic - Develops a hypothesis related to the ability of the lab filtration to remove contaminants. Major errors in hypothesis format are present.

Below Expectations - Develops a hypothesis related to the ability of the lab filtration to remove contaminants. Hypothesis fails to properly address the experimental question.

Non-Performance - Fails to develop a hypothesis related to the ability of the lab filtration to remove contaminants.

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

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

Basic - Accurately accepts or rejects the hypotheses proposed in Question 1 and explains how this was determined. Intermediate details of the explanation are missing or inaccurate.

Below Expectations - Accepts or rejects the hypotheses proposed in Question 1 and explains how this was determined. Explanation contradicts the acceptance or rejection of the hypothesis or major inaccuracies are present in the explanation.

Non-Performance - Fails to accept or reject the hypothesis proposed in Question 1.

Distinguished - Accurately and thoroughly discusses the differences in color, smell, visibility, and other observed properties between the contaminated and treated water samples.

Proficient - Discusses the differences in color, smell, visibility, and other observed properties between the contaminated and treated water samples. Although the response is thorough, minor details are missing or inaccurate.

Basic - Discusses the differences in color, smell, visibility, and other observed properties between the contaminated and treated water samples. Intermediate details are missing or inaccurate.

Below Expectations - Discusses the differences in color, smell, visibility, and other observed properties between the contaminated and treated water samples. Major details are missing or inaccurate.

Non-Performance - Fails to discuss the differences in color, smell, visibility, and other observed properties between the contaminated and treated water samples

Distinguished - Accurately identifies the processes involved in water treatment that were used in the lab and thoroughly describes how they were performed.

Proficient - Identifies the processes involved in water treatment that were used in the lab and describes how they were performed. Minor details are missing or inaccurate.

Basic - Identifies the processes involved in water treatment that were used in the lab and describes how they were performed. Intermediate details are missing or inaccurate.

Below Expectations - Identifies the processes involved in water treatment that were used in the lab and describes how they were performed. Major details are missing or inaccurate.

Non-Performance - Fails to identify the processes involved in water treatment that were used in the lab and describe how they were performed.

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

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

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

Below Expectations - Develops a hypothesis related to which water sources will contain the most and least contaminants. Hypothesis fails to properly address the experimental question.

Non-Performance - Fails to develop a hypothesis related to which water sources will contain the most and least contaminants.

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

Proficient - Accepts or rejects the hypotheses proposed in Question 1 and explains how this was determined. Minor details of the explanation are missing or inaccurate.

Basic - Accepts or rejects the hypotheses proposed in Question 1 and explains how this was determined. Intermediate details of the explanation are missing or inaccurate.

Below Expectations - Accepts or rejects the hypotheses proposed in Question 1 and explains how this was determined. Explanation contradicts the acceptance or rejection of the hypothesis or major inaccuracies are present in the explanation.

Non-Performance - Fails to accept or reject the hypothesis proposed in Question 1.

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. Although the response is thorough, minor details are missing or inaccurate.

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

Below Expectations - Describes the chemical differences between the Dasani, Fiji, and tap water samples. Major details are missing or inaccurate.

Non-Performance - Fails to describe the major differences between the Dasani, Fiji, and tap water samples.

Distinguished - Thoroughly explains whether bottled water is worth the price and includes reasoning.

Proficient - Explains whether bottled water is worth the price and includes reasoning. Although the response is thorough, minor details are missing or inaccurate.

Basic - Explains whether bottled water is worth the price and includes some reasoning. Intermediate details are missing or inaccurate.

Below Expectations - Explains whether bottled water is worth the price, but may include minimal reasoning. Major details are missing or inaccurate.

Non-Performance - Fails to 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 to reference sources.

Proficient - Uses APA formatting to reference sources. However, references contain minor errors.

Basic - Uses basic APA formatting to reference sources. However, references do not meet all APA requirements.

Below Expectations - Fails to exhibit basic knowledge of APA formatting. There are frequent errors, making the references difficult to distinguish as APA.

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