Contributed by: Oregon State Department of Education
Materials
- shallow pan
- flashlight (light source)
- measurement tools
- paper towels
- pencil
- hand lens
- water
- vinegar
- glass plate
- a living invertebrate
Directions
Your task is to plan, design, and conduct an investigation to answer
a scientific question. The question is: "In your investigation,
how do invertebrates react to outside stimulus such as light? Other
stimulus?" You will have four 45-minute class periods to complete
the investigation. You may use any of the materials and equipment
listed and other materials if approved by the teacher.
- Under the heading "PROCEDURE" list, in order, the steps you
will use to answer the question. You may include a diagram to
help illustrate your plans for the investigation. Include any
safety procedures you would follow and ethical considerations.
Make your procedure detailed enough, so someone else could follow
it easily.
- Construct a data table or chart or indicate any other method
you could use to record your observations and results that
will be obtained.
- Perform the investigation by following the steps outlined in
your procedure. Be sure to note any changes to your listed procedures
and tell why.
- Under the heading "RESULTS" record your observations and
measurements. Write statements or paragraphs and/or use tables
and graphs where appropriate.
- Construct a DATA TABLE or indicate any other method you
could use to record observations and results that will be
obtained.
- Under the heading "CONCLUSIONS," write an interpretation and
analysis of your results. Note any limitations to your investigation.
What additional investigations or questions were suggested as
you did your investigation? Please note any limitations to your
investigation.
- Under the heading "SCIENTIFIC QUESTION," based on what you learned
in your investigation, write your own question that can be answered
with further scientific inquiry using the same classroom materials
that you had for this investigation.
- Write a report of your experiment, including the sections mentioned
above.
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