An mla style lab report follows standard MLA formatting while organizing scientific work into clear sections with proper citations.
Science classes often ask for formal lab write-ups, while English courses expect work in Modern Language Association (MLA) format. When both needs collide, students can feel torn between two rule sets. The good news is that you do not have to choose one over the other. You can present your experiment in a clear scientific structure while still using MLA rules for page layout, headings, and source documentation.
This guide shows how to shape an MLA Style Lab Report so that it reads like a serious science paper and still passes any MLA formatting check. You will see how to set up the page, name each section, handle tables and figures, and cite textbooks, journal articles, and data sets. The aim is simple: your instructor can grade the science, and anyone familiar with MLA can follow the format without trouble.
MLA Style Lab Report Basics
An MLA Style Lab Report applies MLA rules to the outer shell of the paper, while the inner structure follows the usual lab sequence. That means you still write an introduction, methods, results, and discussion, but you wrap those sections in MLA headers, margins, fonts, and citation style. Instead of a separate title page, MLA places the heading on the first page, above the report title. Page numbers run in the top right corner, and the last page lists your sources under a “Works Cited” heading.
In many schools, instructors share a lab template that already matches MLA expectations for font, spacing, and margins. If you do not have such a template, you can still follow the core features that MLA outlines for research papers. Double spacing, one-inch margins, a readable 11–12 point font, and a clear running head with your last name and page number keep the document tidy and easy to scan. These settings also keep the paper friendly for screen readers and printing.
The table below sums up the main sections you will usually include when you format a lab report in MLA style. Use it as a quick map while you draft and revise.
| Section | Purpose | MLA Focus |
|---|---|---|
| Heading | Lists student, instructor, course, and date | Placed at top left of first page, double spaced |
| Title | States experiment topic in a clear phrase | Centered, same font as text, no bold or underline |
| Introduction | Gives background and states research question | Begins on first line after the title, indented |
| Methods | Describes materials and procedure | Uses clear headings; no numbered list required |
| Results | Presents data, tables, and figures | Tables and figures labeled and placed near text |
| Discussion | Explains what the data mean | Paragraph form with in-text citations when needed |
| Conclusion | Summarizes main findings and limits | Short section, often merged with discussion |
| Works Cited | Lists every source you cite in the report | Separate page with hanging indents in MLA style |
Once you understand how these parts fit together, writing an mla style lab report becomes more of a checklist than a puzzle. Each section has a clear job, and the formatting rules keep the whole paper readable for graders in both science and humanities departments.
Mla Style Lab Report Format And Layout
The outer format of your lab report should match an MLA research paper. That means standard paper size, uniform spacing, and a consistent typeface. MLA recommends margins of one inch on all sides, double spacing throughout the document, and a font such as Times New Roman or another clear serif or sans serif face. The entire report, including headings, tables, figure captions, and the Works Cited page, uses the same spacing and font size.
Set up a running head in the upper right corner of each page. The running head contains your last name, a space, and the page number. Start with page 1 on the first page of the lab report, unless your instructor asks for a different setting. Remove any automatic extra spacing before or after paragraphs so that each line of text sits in a regular double-spaced grid.
Heading And Title Block
On the first page only, place the MLA heading at the top left. List your name, your instructor’s name, the course name or number, and the due date on separate double-spaced lines. Use day–month–year order for the date, such as “12 March 2025.” Do not add bold, italics, or extra spacing. On the next double-spaced line, center the title of your lab report. Keep it plain and informative, such as “Measuring The Acceleration Of A Rolling Cart.” Do not use extra formatting on the title itself.
The first paragraph of the lab report begins on the line after the centered title. Indent the first line of each paragraph by half an inch. Many word processors handle this with a single setting in the paragraph menu. Avoid adding tab characters manually for each new paragraph, since that can create uneven spacing in longer documents.
Section Headings Inside The Report
MLA does not require a specific heading style inside the body of the paper, but it does allow clear section labels. In a lab report, it often helps to label sections like “Introduction,” “Methods,” “Results,” “Discussion,” and “Conclusion.” Place these headings flush with the left margin. You may bold them or use a slightly larger font if your instructor allows that, as long as you use the same style for headings at the same level.
Subsections inside methods, such as “Materials” or “Procedure,” can use a smaller heading style. The main goal is consistency. Every heading at a given level should look the same across the report so that readers can scan the structure quickly. MLA Style Center provides samples of heading hierarchies you can match to your own course template.
Writing Each Section Of The Lab Report
Once your page layout matches MLA conventions, the next step is to shape each section of the lab report so that it tells a clear story about the experiment. The order below works for most lab assignments, though your teacher might adjust the labels or combine parts in shorter reports.
Title And Introduction
The title should capture the main variable or relationship under study. Instead of a vague phrase, name what you measured or tested. A physics lab might use “Comparing Pendulum Period And String Length,” while a biology lab might use “Effect Of Light Intensity On Bean Plant Growth.” A clear title helps readers know what kind of data to expect before they read a single paragraph.
The introduction sets up the question behind the experiment. Give any needed background from textbooks, lectures, or articles and lead to a specific research question or hypothesis. When you draw on an outside source for theory or definitions, add an MLA in-text citation. That usually means the author’s last name and a page number in parentheses, such as (Chang 142). Later, the full textbook entry will appear on the Works Cited page.
Methods And Materials
The methods section explains exactly what you did in a clear, past-tense sequence. Many instructors prefer a combined heading such as “Materials And Methods,” while others ask for “Materials” and “Procedure” as separate subsections. Either way, list the equipment, chemicals, software, or measurement tools you used, and then describe each step of the experiment in the order you carried it out.
Even though science style sometimes favors lists, an mla style lab report usually keeps full sentences in paragraph form. You can still use numbered or bulleted lists sparingly for long sets of materials or steps, but keep them consistent with MLA list formatting. Every item in the list should begin with a lowercase letter unless it is a proper noun, and punctuation should follow one clear pattern.
Results, Data Tables, And Figures
The results section presents what you observed. This is where tables, graphs, and sample calculations appear. MLA gives general rules for tables and figures: label each one with an Arabic numeral and a short title. Place the label above a table and below a figure or illustration. When you describe a table in the text, refer to it by its label, such as “table 1 shows the average reaction time for each trial.”
Keep tables close to the first paragraph that refers to them. Do not stack all figures at the end of the report. Each table or graph should include units in column headings or axis labels so that readers do not have to search the methods section for units. If you adapt data or figures from a published source, add a note under the table or figure caption that points to the source and include that source on the Works Cited page.
Discussion And Conclusion
The discussion section explains what the results mean in relation to the question set up in the introduction. Compare expected outcomes with observed data, address possible sources of error, and point out trends in tables or graphs. When you mention a specific number from a table, state both the value and its unit so that the sentence makes sense on its own.
A short conclusion may stand as its own heading or form the final paragraph of the discussion. Restate the answer to the research question in plain language, mention any limits on your findings, and suggest a realistic next step. There is no need for dramatic wording here; concise, direct sentences fit MLA and lab expectations well.
Citations And The Works Cited Page For Lab Reports
Every time you rely on a textbook explanation, a journal article, a simulation manual, or a data set, your mla style lab report should signal that link with an in-text citation. MLA uses an author–page pattern for most print sources. For an online article with no page numbers, you can often use just the author’s last name. If you cite more than one source by the same author, add a shortened title in the citation so that readers can match it to the correct Works Cited entry.
At the end of the lab report, start a new page titled “Works Cited.” Center the title at the top of the page and keep it in the same font and size as the rest of the document. List entries in alphabetical order by the first element, usually the author’s last name. Use hanging indents so that the first line of each entry sits at the margin and the next lines shift half an inch to the right. MLA handbooks and online resources show detailed patterns for different source types.
To help you match common lab sources to MLA patterns, use the table below as a quick reference while you draft your Works Cited section.
| Source Type | In-Text Citation | Works Cited Element |
|---|---|---|
| Textbook With Single Author | (Chang 142) | Chang, Raymond. Chemistry. Publisher, year. |
| Article In A Science Journal | (Gonzalez and Patel 58) | Gonzalez, Maria, and Arun Patel. “Article Title.” Journal Name, vol. x, no. y, year, pp. xx–yy. |
| Online Lab Manual | (“Enzyme Lab Manual”) | “Enzyme Lab Manual.” Course Website Name, institution, year, URL. |
| Data Set From Government Site | (United States Department of Energy) | United States Department of Energy. Data Set Title. year, URL. |
| Simulation Or Software Tool | (PhET Interactive Simulations) | PhET Interactive Simulations. Simulation Title. University of Colorado Boulder, year, URL. |
| Lab Handout From Instructor | (Nguyen) | Nguyen, Lena. “Handout Title.” Course title, institution, semester year. |
When in doubt, match your entry to the closest pattern from a trusted MLA resource and then stay consistent. Many instructors point students to the official MLA Style Center or to university writing labs that provide updated models for new types of sources, such as online simulations or digital lab notebooks.
Trusted References For Mla Style Lab Reports
Before you submit your report, compare your formatting to at least one official MLA source. The Modern Language Association’s own Using MLA format page outlines the same margin, spacing, and heading rules you apply in a lab report. For more detailed examples of student papers, the Purdue OWL sample MLA paper shows how headings, citations, and the Works Cited page look in a complete document. Adapting these patterns for lab work keeps your writing aligned with current expectations in both English and science courses.
If your department provides its own lab manual, treat that local document as your primary rule set for content and section order. Use MLA resources to shape how the report appears on the page and how you credit sources. When course rules and MLA advice differ, follow your instructor’s grading priorities while still keeping MLA conventions where they do not conflict.
Common MLA Style Lab Report Mistakes To Avoid
Even careful writers fall into predictable mistakes when they first combine science writing with MLA format. One frequent issue is slipping back into list-style notes in the methods section instead of full sentences. Another is forgetting to label tables and figures, or placing them pages away from the paragraph that first mentions them. Both habits make the report harder to read and can cost clarity points on grading rubrics.
Source documentation can also create trouble. Students sometimes place full URLs inside the text rather than on the Works Cited page, or they mix MLA with another citation style in the same report. Avoid long naked web addresses in the body of the paper. Use short in-text citations and keep all reference details on the last page. Check that every in-text citation has a matching Works Cited entry and that no entry appears on the list without at least one mention in the report.
A final pattern to watch is casual language in the discussion and conclusion. Science teachers expect clear claims tied closely to data. Phrases such as “it kind of worked” or “the results were good” do not tell the reader anything specific. Tie each claim to a value, trend, or pattern from your tables or graphs, and rely on past tense verbs when you describe what you did in the lab.
Quick Checklist Before You Submit
Before you turn in your next MLA Style Lab Report, skim this checklist with the printed pages or the file on your screen:
- Margins set to one inch on all sides, and the font is a clear 11–12 point style.
- Running head in the top right corner with your last name and page number.
- Heading on the first page lists your name, instructor, course, and date in day–month–year order.
- Title centered, with regular capitalization, no bold, underline, or quotation marks.
- Section headings such as “Introduction,” “Methods,” “Results,” and “Discussion” lined up consistently.
- Tables and figures labeled with numbers and titles, placed near the text that cites them.
- Every outside idea or quotation followed by an MLA-style in-text citation.
- Works Cited page on its own final page, with hanging indents and alphabetical order.
Once you can tick off each point on this list, your mla style lab report stands on solid ground. The layout will feel familiar to instructors who grade literary essays, while the structure still reflects the logic of experimental work. That blend keeps your work readable, credible, and ready for grading in any course that asks for both science and MLA style on the same page.