Egg-­‐mosis Egg-­‐speriment Lab Report Writing a Lab Report: A lab report is how you explain what you did in experiment, what you learned, and what the results meant. It is a very important part of a scientific investigation and of the scientific method. In a science class, a lab report is one way you show that you understand how the class activities connect to the content we are learning in the course. Use the following format to write your lab report. Write your rough draft in your LIFE! Journal and then type the final draft to turn in. 1. Introduction / Purpose Usually the Introduction is one paragraph that explains the objectives or purpose of the lab. State the purpose of the experiment, or why you did it. • Why is this experiment being done? • Why does the egg serve as a useful model for a cell? • Use background from our unit, including key vocabulary to explain the purpose of the experiment and what you hope to learn. 2. Hypothesis This would be where you state your hypothesis. In one sentence, state the hypothesis (if in doubt, use an “IF/THEN” statement). Use information from our unit to support your prediction. 3. Materials & Procedure • List everything needed to complete your experiment. • Describe the steps you completed during your investigation. • Be sufficiently detailed that anyone could read this section and duplicate your experiment. • Write it as if you were giving direction for someone else to do the lab. • It may be helpful to provide a Figure to diagram your experimental setup. 4. Data & Observations • Numerical data collected throughout the experiment and presented in a table format usually. • Also include any observations you made during your experiment in addition to the numerical measurements you collected. • Tables and graphs must be organized, include proper units, and an informative title. • Any calculations that must be done with your collected data can be shown here. Make a graph of your data where applicable to better illustrate what occurred during the investigation. Label all axis and give the graph a title • Give credit to classmates if you used their data • This is also where you would discuss any mistakes you might have made while conducting the investigation. • You may wish to describe ways the study might have been improved. 5. Conclusion • The conclusion is a single paragraph that sums up what happened in the experiment. • State whether your hypothesis was supported or rejected, and what this means. • Give reasons why something interesting or unexpected may have happened. •
Skill Efficiency
•
Procedures were
followed accurately in
order to produce the
desired outcome.
(results)
• Collected data were
recorded and
organized clearly
and accurately
• Measurements are
accurate. (data
table)
• Specify units of
measure and label
axes to clarify the
correspondence
with quantities in a
problem. (graphs)
Conceptual Understanding
• Observations were based on
•
•
•
•
•
NY JB AM MS ES
what was actually observed
and not inferred (data &
observations)
Clear and precise language
and appropriate
terminology is used in class
discussions and written
work (introduction)
I can explain relationships
among science facts and
concepts clearly,
completely, and accurately
explained (conclusion)
Map relationships using
such tools as diagrams,
two-way tables, graphs,
flowcharts and formulas.
(data and results)
I can analyze those
relationships to draw
conclusions. (conclusion)
I can think about the answer
to a problem/results of an
experiment and whether
it/they makes sense within
the context of the
situation. (conclusion)
NY JB AM MS ES
Reasoning and Problem Solving
•
•
•
•
Detailed, logical, step by
step procedures are created
for a student designed
experiment (procedures)
Ideas are expressed clearly
and succinctly in a logical
manner (procedures)
A response to both the
question and hypothesis is
clearly and completely
provided and is consistent
with the data (conclusion)
Evidence is used to justify
and support decisions made
and conclusions
reached. This may lead to...
(hypothesis)
o testing and accepting
or rejecting of a
hypothesis or
conjecture.
o explanation of
phenomenon.
o generalizing and
extending the
solution to other
cases.
NY JB AM MS ES