Lab Report APA Format

Topics: Vinegar, Acetic acid, Ethanol Pages: 9 (1324 words) Published: November 27, 2014
Running Head: WRITING A FORMAL LAB REPORT

Writing a Formal Lab Report
Using APA Format
Michael Betco
AP Physics 1
ChangZhou Senior High School of Jiangsu Province

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WRITING A FORMAL LAB REPORT

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Abstract

WRITING A FORMAL LAB REPORT

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Writing a Formal Lab Report
Using APA Format
This introduction is also often referred to as the ‘purpose’ or ‘plan’ section. It should include two main categories:
Purpose
(or Objective) This part of the experiment expressed clearly in only one or two sentences, including the main method used to accomplish the purpose. Ex: The purpose of the experiment was to determine the percentage by mass of acetic acid in vinegar using acid/base titration. The purpose is also sometimes written as a separate section from the introduction. Theory

(or Background pertaining to the experiment). This can include information from previous research, explanations of theories, methods or equations used, etc.; for the example above, you might want to explain the theory behind acid/base titration and a brief description of the setup and process you will use in the experiment. If research is done for this section, be sure to cite any sources used according to the instructor’s preference.

Be careful to include only the

information that a reader would need to know in order to understand the purpose and methods; the report should still be as straightforward as possible.
In addition to the purpose and background information, the instructor may also ask students to provide the following items in the introduction section: A hypothesis
What is expected to happen in the experiment based on background information.

WRITING A FORMAL LAB REPORT

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Safety Information
This is especially useful in chemistry classes, where toxic or flammable chemicals are often used.
Regardless of the specific information required from the instructor, the main focus of the introduction should be on helping the reader to understand the purpose, methods, and reasons these particular methods are being used.

Method
Materials
This is usually a simple listing of the equipment used in the form of a bulleted list, but it should be complete and accurate. Graphics of more complex setups may also be included if they would be helpful.

Procedure
This section includes the process of the experiment exactly as it was done in the laboratory. Usually the procedure is written out in paragraph form, but it may also be written out step-by-step in the form of a numbered list. Some instructors allow a citation to the lab manual for this section (Ex: “The process in the laboratory manual for BIO 102 was used.”); however, if the lab manual is cited, any changes made to that procedure should be noted. There should not be any results (things that happened when the procedure was being carried out) included in this section; only include the procedures carried out. A good rule of thumb for writing complete but concise experimental procedures is to include enough information so that others who read the report would be able to duplicate the experiment at a later date.

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Results

This section contains all the results of the experiment, including the tables and figures. The key to making tables and figures effective is to refer to and explain each one in the body of the paper. Organized the graphs or tables in the Appendix.

Important results in verbal form. For the main results that will be expanded upon in the discussion section, use complete sentences (i.e. “The percentage of acetic acid in vinegar was calculated to be 4.982 %”). This will help the key results to stand out from all the calculations, tables, and figures that normally dominate the results section. Calculations. Usually, only a sample of each calculation is needed. For example, if the percentage of acetic acid in 10 samples of vinegar has to be calculated and then averaged, write out the calculation for only one of them,...

References: Cummings, J. N., Butler, B., & Kraut, R. (2002). The quality of online social relationships.
Hu, Y., Wood, J. F., Smith, V., & Westbrook, N. (2004). Friendships through IM: Examining
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