A
laboratory report is a neatly written account of your experiment.
It should be written in your lab notebook in ink (black or blue).
Your lab report should contain the following sections.
Title, number and date
of your experiment.
Name of your partner(s) .
PURPOSE : This is a clear statement of why
you are doing the experiment. Often, the purpose can be stated
as a question.
HYPOTHESIS : This is a statement of what
you think the outcome will be. Typically it is phrased in
the form of "If I change the temperature, then the item will
get hotter."
PROCEDURE : This section, if required, is
a step by step outline of what you will do in the experiment.
DATA AND OBSERVATIONS : This section includes
all of the measurements and observations from your experiment.
It is extremely important that you record all data directly
into your lab notebook. Whenever possible, make yourself a
data table. It will be to your advantage if you design the
table before coming to lab. It is also important that you
label all measurements with proper units. Failure to do so
will result in a loss of points.
CALCULATIONS : Many experiments have calculations.
Always indicate the formula or method you have used to arrive
at the final answer. You do not need to show the actual operation
(division, addition, etc.), I assume that you use a calculator
for this.
DISCUSSION : This is where you give explanations
for the observations you made in the experiment. The answers
to questions found in each experiment are to be answered here
in COMPLETE SENTENCES.
SOURCES OF ERROR : List any possible sources
of errors that can affect the results of the experiment and
explain how the error affects the experiment. The error does
not need to be something that specifically happened in your
experiment, but what could have happened. Be specific!! For
example, human error is not acceptable. A minimum of three
errors must be listed.
CONCLUSION : Your conclusion should be related
to the purpose. It should be a clear and concise statement
of what you learned from the experiment or answer the purpose
if it was a question. It should NOT be longer than 3 sentences.
SPECIAL
NOTES
It is very important that you read the experiment PRIOR
to class. A clear understanding of the procedure and
purpose will help you save time in the lab.
If you make mistakes in your report, cross out the mistakes by
a single line. DO NOT USE WHITE OUT!!
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