10TH GRADE BIOLOGY: LABORATORY REPORT GUIDELINES
A report of an investigation should follow a certain structure.
This is one way to produce a report on an investigation which has been carried out.
Your name
Name, date, class
Title




Introduction or
Background
Aim – Problem
Question
This should say what the lab is about – BE SPECIFIC
The title of the lab report should include both the dependent
(DV) AND the independent variables (IV), OR it should clearly
state the research question
It will be similar to your aim/problem statement
DO NOT write “Bio Lab” – “Enzyme Lab” these are insufficient titles.

Do a little RESEARCH to find out what science knows about your
topic
 Explain more about the IV and DV in your lab and what science
knows.
 CITE SOURCES (use quotes if necessary)
Provide COMPLETE and SPECIFIC DETAILS about what you are
trying to find out – often written as a question.
Hypothesis
State what you THINK OR PREDICT will be the outcome, based on
your research, knowledge and understanding. You should give
reasons for the hypothesis you state. Cite sources from your
introduction
Plan or procedure
1. What the VARIABLES are (controlled, independent, dependent) often shown in a table format
Detail needed for
C4
Not needed when
doing C1
Observations and
Results
2. EXACTLY what apparatus you used (diagrams or photos may help)
3. DETAILS and SPECIFICS of what you did. How you measured
things.
1. Tables are best for data. - raw, untreated data first.
2. Treated/processed data (eg mean, standard deviation of grouped
readings) can be on separate tables.
3. Tables must be:
a. Numbered,
b. Specifically Titled,
c. have Column Headings and
d. include Units.
e. (Table 1- Raw Data is NOT a SUFFICIENT title -- be
specific)
4. BOTH Qualitative and quantitative observations are required
where appropriate
5. Graphs and charts are required and must be numbered, and
labelled with a SPECIFIC descriptive title.
6. Label the axes on a graph, being sure to include units of
measurement. The independent variable is on the X-axis. The
dependent variable (the one you are measuring) is on the Y-axis.
Be sure to refer to tables # and graph# in the text of your report
and conclusion.
Discussion/
Conclusion
What the results tell you……does it support your hypothesis… does
it agree with what science already knows….EXPLAIN and refer to
tables and graphs that show why it doesor does not support your
hypothesis and science.
Evaluation of the
procedure and of
the results
Of the procedure



What worked well in your procedure.
Are there clear sources of error?
What you could have done to improve the procedure?
Of the results
 Pointing out the accuracy and any anomalies in the results.
This could be done in a table showing: good/ why good/ any way to
improve and bad/ why bad/ how to improve
General marking Criteria for IGCSE COURSEWORK
SKILL C1 USING AND ORGANISING TECHNIQUES, APPARATUS AND MATERIALS
1
2 - Follows written, diagrammatic or oral instructions to perform a single practical operation.
Uses familiar apparatus and materials adequately, needing reminders on points of safety.
3
4 - Follows written, diagrammatic or oral instructions to perform an experiment involving a series
of step-by-step practical operations.
Uses familiar apparatus, materials and techniques adequately and safely.
5
6 - Follows written, diagrammatic or oral instructions to perform an experiment involving a series
of practical operations where there may be a need to modify or adjust one step in the light of
the effect of a previous step.
Uses familiar apparatus, materials and techniques methodically, correctly and safely.
SKILL C2 OBSERVING, MEASURING AND RECORDING
1
2 - Makes observations or readings, given detailed instructions.
Records results in an appropriate manner, given a detailed format.
3
4 - Makes relevant observations or measurements, given an outline format or brief guidelines.
Records results in an appropriate manner, given an outline format.
5
6 - Makes relevant observations or measurements to a degree of accuracy appropriate to the
instruments or techniques used.
Records results in an appropriate manner, given no format.
SKILL C3 INTERPRETING AND EVALUATING EXPERIMENTAL OBSERVATIONS AND
DATA
1
2 - Processes results in an appropriate manner, given a detailed format.
Draws an obvious qualitative conclusion from the results of an experiment.
3
4 - Processes results in an appropriate manner, given an outline format.
Recognises and comments on anomalous results.
Draws qualitative conclusions that are consistent with obtained results, and deduces patterns
in data.
5
6 - Processes results in an appropriate manner, given no format.
Deals appropriately with anomalous or inconsistent results.
Recognises and comments on possible sources of experimental error.
Expresses conclusions as generalisations or patterns, where appropriate.
SKILL C4 PLANNING, CARRYING OUT AND EVALUATING INVESTIGATIONS
1
2 - Suggests a simple experimental strategy to investigate a given practical problem.
Attempts 'trial and error' modification in the light of the experimental work carried out.
3
4 - Specifies a sequence of activities to investigate a given practical problem.
In a situation where there are two variables, recognises the need to keep one of them
constant while the other is being changed.
Comments critically on the original plan, and implements appropriate changes in the light of
the experimental work carried out.
5
6 - Analyses a practical problem systematically and produces a logical plan for an investigation.
In a given situation, recognises that there are a number of variables, and attempts to control
them.
Evaluates chosen procedures, suggests/implements modifications, where appropriate, and
shows a systematic approach in dealing with unexpected results.