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Pages:
8 pages/≈2200 words
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Check Instructions
Style:
APA
Subject:
Life Sciences
Type:
Lab Report
Language:
English (U.S.)
Document:
MS Word
Date:
Total cost:
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Topic:

EVPP lab report. The Impact of Pollutants on Algal Growth

Lab Report Instructions:

Please write according to the document given, which contains very specific experimental steps, writing outlines, and experimental data. Only group2 experimental data can be used

Guide to the Formal Lab Report: Students will complete one formal lab report. The report will be based on two activities conducted in lab class and completed the week of 9/30/19-10/4/19. The activities upon which the report is based is: • “Water Quality – Activity 8 – Pollutants – Inoculating Algal Cultures” • “Water Quality – Activity 9 – Pollutants – Effects on Algal Growth” The formal lab report assignment is to introduce students to the style of writing used to present the process and results of scientific experimentation. Students will be prepared for the task by: 1) reading the assigned lab activities in the lab manual which are structured in a similar manner to the structure of scientific papers 2) completing the “Scientific Paper Tutorial On-Line Assignment” 3) listening to the lab instructor’s explanations of the expected content and format of the formal lab report and the grading rubric for the assignment 4) reading the “Writing a Lab Report” section of the lab manual 5) reading and understanding the grading rubric for this assignment (included at the end of this document) before writing the lab report 6) taking advantage of the individual assistance available from the lab instructor and the learning assistants 7) taking advantage of the individual assistance available at the GMU Writing Center (see https://masononline(dot)gmu(dot)edu/student-resources/writingcenter/ ) 8) participating in the peer-review process in lab class Data and observations will be made by the lab group during the execution of the assigned lab activity, but the formal lab report must be the independent work of each student. Students will submit their formal lab report electronically via the course Blackboard page. Upon submission to Blackboard, students’ lab report will be subjected to a plagiarism review via the SafeAssign program which is incorporated into Blackboard. Students are not to copy each other's graphs, figures, tables, illustrations or any written portion of the formal lab report. Students who engage in this activity will be considered to be in violation of the Honor Code and will be subject to its process and consequences. Please visit the GMU Office of Academic Integrity website at https://oai(dot)gmu(dot)edu to make sure that you understand the Honor Code and the consequences of violating it. The minimum sanction recommended for a violation of the Honor Code will be a zero on the assignment. Students who are repeating this course may incorporate portions of their previous lab report into the current lab report provided that the new data is utilized and all sections are adjusted accordingly. A student who chooses to utilize this approach must keep in mind that plagiarism checking software will be able to compare the current report to reports submitted in the past. In other words, if a student plagiarized portions of their previously EVPP 109/110 Lab – Guide and Grading Rubric for Formal Lab Report – Fall 2019 2 submitted report, it will be detected on the currently submitted report and will still be considered a violation of the Honor Code. The first version of the formal lab report will be graded via a peer-review process conducted during your lab class the week of 10/21/19-10/25/19. Students must print out and bring to their lab class the week of 10/21/19-10/25/19 TWO hard copies of their formal lab report. If students arrive at lab class without the hard copies of their lab report they will be permitted to go to an appropriate location on campus to retrieve or print the hard copies but they will be assessed the normal penalties for being tardy to lab class. During lab class, each student will grade the formal lab reports of two of their classmates using the grading rubric. This means that each student will have their formal lab report graded by two of their classmates. The purpose of the peer-review process is to 1) provide an incentive for students to scrutinize, evaluate and understand the formal lab report grading rubric prior to their lab instructors using the grading rubric to grade the formal lab report, 2) give students the opportunity to learn from seeing examples of formal lab reports of different qualities, and 3) give students the opportunity to improve their formal lab report based on input from their peers prior to it being submitted for grading by the lab instructor. The grades that students receive on their formal lab report from their peers WILL NOT COUNT TOWARD THEIR FINAL GRADE ON THE FORMAL LAB REPORT! HOWEVER, THE PEER REVIEW PROCESS WILL BE THE ONLY OPPORTUNITY STUDENTS WILL HAVE TO RECEIVE FEEDBACK ON THE REPORT PRIOR TO IT BEING SUBMITTED FOR GRADING BY THEIR LAB INSTRUCTOR. The purpose of the grades received from one’s peers is to give students a sense of the grade they might receive from the lab instructor grading the lab report with the same grading rubric used by the peers. Participating in the peer-review process will be worth 8.5 points of the 300 possible lab points, or 2.83%. Full credit for the peer-review process will be given for a student who is present on the day of peerreview, brings two hard-copies of their formal lab report, and reviews and grades (using the grading rubric) the formal lab reports of two peers in a thoughtful, thorough, conscientious manner. Fully-participating students will leave their lab class the week of 10/21/19- 10/25/19 with two peer-graded copies of their formal lab report. Students will have two weeks to revise their formal lab report, incorporating as appropriate the comments received and corrections suggested in the peer-review process. Students must submit to the folder for their lab section an electronic copy of the formal lab report, in the form of a .doc or .docx document, to the lab portion of the course Blackboard page by the beginning of their lab class during the week of 11/4/19- 11/8/19. NO LATE SUBMISSIONS OF THE FORMAL LAB REPORT WILL BE ACCEPTED. It is NOT acceptable to email your lab instructor the electronic version of your formal lab report instead of submitting it to the submission folder. It is your responsibility to submit your formal lab report to the submission folder successfully by the due time and date. This means you are responsible for making sure that there are no technical difficulties that will prevent you from submitting your formal lab report in a timely manner. This may mean that you should plan on submitting the formal lab report prior to EVPP 109/110 Lab – Guide and Grading Rubric for Formal Lab Report – Fall 2019 3 the due date/time so that if a technical difficulty arises you will have time to resolve it and still submit your formal lab report in on time. The formal lab report submitted by the beginning of each student’s lab class the week of 11/4/19-11/8/19 will be GRADED EXTREMELY STRICTLY!!!! If students have given due diligence to this assignment, participated fully in the peer-review process, and taken advantage of all resources available to assist in executing this assignment, then their grade should be satisfactory. Lab instructors will be grading the formal lab report based on the grading rubric and utilized in the peer-review process. It is the student’s responsibility to understand the provisions of the grading rubric. Lab instructors will complete the grading of the formal lab report electronically by the beginning of each student’s lab class during the week of 12/2/19-12/6/19. The instructor-graded submission will be graded using the same grading rubric used to grade the original paper during the peer-review process. The grade for the formal lab report that is posted in the Blackboard gradebook will be a percentage grade. The final grade for the formal lab report will be worth 51.5 of the 300 points for lab, or 17.17% of the lab grade. If a student does not participate in the formal lab report peer-review process (or is absent from lab on the day the process if conducted), they will receive a grade of 0 for the peer-review process. They can submit the formal lab report but they will not have the opportunity to receive feedback prior to the submission. Format and Content Requirements The following sections are required. Format and content requirements are summarized below. Please refer to “writing a lab report” in the lab manual and the grading rubric for additional detail. • General content and format information o Font: Times New Roman o Font size: 12 point o Tense: Past o Person: Not 1st o Margins: top and bottom = 1”; left and right sides = 1.25” o Writing style: Scientific o Sentence structure: Extremely well-developed o Grammar, punctuation, spelling: No more than two insignificant errors (meaning the errors do not detract from the message or interfere with reader’s comprehension o Minimum length: There is no minimum length for the lab report. The goal is to say everything that must be and should be said as concisely as possible. o Section headings: Should be centered on the page before the beginning of each section. New sections do not need to begin on a new page, except that the abstract and literature cited sections will begin on new pages. EVPP 109/110 Lab – Guide and Grading Rubric for Formal Lab Report – Fall 2019 4 • Section-based content and format information o Title ▪ Content: Title must be thoroughly descriptive of the experiment (not the assignment) ▪ Format: Title should appear on a cover page with title mid-way down the page, centered. At the bottom of the cover page, centered, student’s name should appear on its own line, followed on the next line by the name of the instructor (centered), followed on the next line by the lab section number (centered), followed on the next line by the date of submission. o Abstract: ▪ Content: A “miniature” version of the lab report that will contain enough information about the experiment for the reader to decide whether or not they should read the entire paper. All information should be presented in the same order in which it will be encountered in the lab report. ▪ Format: Abstract will be on a page to itself following the title page and will be single-spaced. o Introduction: ▪ Content: The problem or issue being studied must be described. Background information on this problem/issue must be provided. This requires doing some research into the problem/issue and providing a summary of the key information. This background information should also familiarize the reader with the topic. The source of the background information must be cited in the body of the introduction section. For this report, students must cite literature from three sources in their introduction section. This section must include a statement of the hypotheses, a description of the main objectives of the experiment, and a brief explanation of the experimental design. The following five general questions must be addressed/answered in the introduction section: • what is the basic biology of the issue you are studying • why is it important • can it be disrupted by pollutants • what types of pollutants are known to adversely affect it and why • what are the consequences to organisms, ecosystems, the environment of a disruption of biological process by a pollutant(s) ▪ Format: Will begin on its own page following the abstract. In-text literature citations will be in APA format. EVPP 109/110 Lab – Guide and Grading Rubric for Formal Lab Report – Fall 2019 5 o Methods: ▪ Content: This section should contain an explanation of the procedures that were carried out in the experiment in sufficient detail that someone reading the methods could repeat the experiment, if desired. The materials used are not listed but are mentioned only in the context of the description of their use. Include a description of what data will be collected, when in the experiment it will be collected and how it will be analyzed. ▪ Format: Must be in paragraph form with no bulleted or numbered lists. This section does not have to begin on its own page. o Results: ▪ Content: All main findings of the experiment, supported by key pieces of data, should be described in paragraph form. There must be no interpretation of data in this section. All data must be summarized in at least one table or figure. Tables and or figures must be labeled and numbered sequentially followed by a descriptive title. This label/title is placed above tables and below figures. Graphs in figures must have labels that identify the parameter and units involved. All tables/figures must be referenced in the paragraph portion of the section by the table/figure number. ▪ Format: This section must not begin with a table or figure. It does not have to begin on its own page. o Discussion: ▪ Content: Restate the hypotheses. Do not include any results not mentioned in the results section. Interpret all data by explaining how the results link to basic scientific concepts and how they link to the findings of other researchers. Address other issues including sources of uncertainty in the experiment, further investigations that could/should be done to gather more information, suggestions for improving the experiment, and an alternative explanation for positive or negative results. State whether or not the data supported the hypothesis and the conclusions that can be drawn from the results. ▪ Format: This section does not have to begin on its own page. o Literature Cited: ▪ Content: The sources for all citations contains in the report must be listed, in alphabetical order by author, using the APA format. A minimum of three peer-reviewed sources must be used and the lab manual does not count as one of those. ▪ Format: Use the APA format. Within a source use single-spacing and a 0.5” hanging indent and between sources use double-spacing.

Lab Report Sample Content Preview:
The Impact of Pollutants on Algal Growth
Student’s Name
Institutional Affiliation
Abstract
The input of nitrogen and phosphorus pollution in the water bodies is mostly to blame for eutrophication and accelerated algal blooms. The purpose of this study was to investigate the impact of the two nutrients on algal growth under a controlled environment. The primary objective of this study was to understand the effect of different volumes of nitrogen and phosphorus pollutants on the growth of algae culture. The study also examined the impact of acid rain on algal growth in a controlled environment. The study hypothesized that increased volumes of the nitrogen pollutant would cause an increase in the growth of algae. The study further hypothesized that an increase in the concentration of phosphorus pollutants would cause an increase in the growth of algae. Lastly, the study hypothesized that reducing the concentration of acid rain would promote the growth of algae and vice versa. The research findings supported the above hypotheses. The results of this study are consistent with literature that nutrient pollution is a leading cause of harmful algal blooms in coastal areas and promotes the destruction of the marine ecosystem and endangers aquatic life.
The Impact of Pollutants on Algal Growth
Introduction
Over the last few decades, coastal regions around the world have experienced an escalation in the incidences of algal blooms that are toxic and harmful to marine life. Most species of the harmful algal blooms are plant-like, photosynthetic algae. A few species are animal-like protozoans that cannot photosynthesize on their own. Notably, all algal blooms need a sufficient supply of nutrients for their sustenance. Eutrophication has been singled out as the most significant cause of many algal blooms. Human actions have been blamed for the increasing eutrophication and nutrient pollution in waterways that have contributed significantly to recent algal blooms. With multiple dangers associated with the rising cases of algal blooms, it is critical to understand the factors that promote the growth of algae.
Like any other organism, the growth of algae requires a supply of nutrients. According to Glibert and Burkholder (2011), nutrient pollution and eutrophication occur mainly because of the increase in human population, the global increase in the demand for energy, the increasing need for nitrogen and phosphorus fertilizers needed for agricultural use, expansion of aquaculture industries, and production of more animal waste due to increased animal rearing. Anderson, Glibert, and Burkholder (2002) concur adding that sewage, groundwater flow, and atmospheric deposition also leading causes of nutrients that stimulate algal blooms in aquatic ecosystems. Phosphorus and nitrogen over-enrichment in lakes and other water bodies accelerate the deterioration and degradation of water quality. For instance, water supply from Lake Erie was shut down in August 2014, denying over 500,000 residents of Toledo, Ohio access to water (Paerl, Gardner, McCarthy, Peierls, and Wilhelm, 2014). Therefore, the over-enrichment of nutrients in lakes and other water bodies calls for urgent measures to curb nutrient pollution and protect the waterways.<...
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