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write a lab report for this lesson’s lab. be sure that your report:
 includes all major elements of a lab report.
 meets your teacher’s content and format expectations.
 is clearly organized and formatted.
 demonstrates strong scientific reasoning and writing. while writing, you can revisit previous parts of the lesson by returning to the course map. be sure to refer to the lab’s student guide, which you can find on the first page of the lab experiment activity. you may also find it to refer to the remaining pages of this guide, which provide general guidelines for writing lab reports. you can upload your completed report with the upload tool in formats such as openoffice. org, microsoft word, or pdf. alternatively, your teacher may ask you to turn in a paper copy of your report or to use a web-based writing tool.
lab report checklist introduction
 did you title your lab report?
 did you state the purpose of the experiment?
 did you state the question you posed before the experiment?
 did you restate the hypothesis (or prediction) you formulated before the experiment?
 did you list all variables and label the independent and dependent variables? did you indicate any controlled variables? materials and procedure
 did you make a list of materials? did you include quantities and si units?
 did you present the steps of the procedure as a numbered list? did you note any changes to the original procedure?
 did you identify your experimental and control groups?
data collection and organization
 did you organize all data in a clearly labeled table and/or graph?
 did you check that your data is accurate and complete?
 did you title any tables and graphs? did you label rows, columns, axes, etc., and include units? analysis and conclusion
 did you interpret your data and graphs in the analysis rather than just restate your findings?
 did you determine whether your data supported or refuted the hypothesis?
 did you describe possible sources of errors?
 did you suggest ways to improve or further your lab investigation? overall
 did you make sure that your writing is precise, unbiased, and concise?
 did you meet your teacher’s content and format expectations?