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Exploring Entomology: Determining Time of Death Through Insect Evidence

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This webquest guides you through a captivating investigation into entomology and its role in forensic science. By examining a case study involving insect informants, you will learn how to identify evidence found at a crime scene and determine the time of death. Engaging with interactive tools, you will collect insect specimens and analyze their characteristics to piece together essential forensic information. Dive into the world of entomology and enhance your understanding of how insects can be vital in solving crimes!

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Exploring Entomology: Determining Time of Death Through Insect Evidence

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  1. Name ____________________________________________ Date ________________ Entomology Webquest Go to: http://www.leikerforensics.wikispaces.com On the left, click on “Class Activity Links” and click on the Entomology Webquest Read through Case 1: Insect Informants (just the case section, not the introduction). What was found in the house? ___________________________________________________ Where was the body found? _____________________________________________________ What was the time of death? ______________________ How was the time of death determined? _____________________________________________________________________________________________________________________________________________________________________________________________________ What was the cause of death? ___________________________________________________ Knowing how long the body has been in the house, what stage of decomposition do you think the body might be in? (use the decomposition notes) _________________________________ They didn’t mention the flies that were found on the body. What two flies do you think were there? ________________________ and _________________________ On the right of the page, click “Interactive: Determine the Time of Death.” While completing the activity answer the following: What are each of the 7 tools used to do in entomology? Keep your descriptions short. Trowel: __________________________________________________________________________ Thermometer: ____________________________________________________________________ Capped specimen jars: ______________________________________________________________ Secure, ventilated jars: ______________________________________________________________ _________________________________________________________________________________ Forceps: _________________________________________________________________________ Portable weather station: ___________________________________________________________ Hand net: ________________________________________________________________________

  2. Click “go to crime scene.” Read the information and click continue. Choose 5 specimens to take back to the lab and study. BE SURE YOU ARE PICKING ONLY SPECIMENS THAT WILL HELP YOU FIND THE TIME OF DEATH! After you choose the 5 insects click NEXT. Fill out the chart below by clicking on each insect you chose and reading its description. Click “determine time of death.” Using the insect evidence the time of death was __________ days.

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