Who Killed the Flowers?
About the Who Killed the Flowers? Lesson
![Image](/images/booksmall.jpg)
Summary
In this science lab, students will test artificial urine made from ammonia, vinegar, and food coloring to discover who urinated on some flowers in the school greenhouse.
Objectives
• Students will conduct various tests on known urine samples to identify characteristics of urine.
•
Students will identify the owner of an unknown, artificial urine sample.
Suggested Grades
4th Grade
5th Grade
6th Grade
Excerpt
During a criminal investigation, urine can be a source of important information. Urine discovered at a crime scene might provide some useful evidence. Because the chemicals in urine can vary from one individual to another, urine can be unique enough to positively identify a suspect.
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