1. LAB SAFETY LESSON

2. Mystery…in the Lab

3. Crime Scene Walk-Through  Pictures included on following slides for absent students

9. 1. Observations  View the crime scene photos & write as many observations as possible.

10. Analyze the observations  Qualitative Observations: Describe characteristics (color, appearance, sensations)  Quantitative Observations: Describe numbers of things (how many, how much, times)  Opinions: Describe personal feelings about something (smelly, scary, gross, yummy, etc.)

11. 2. Questions  Discuss & Record 3-5 observable questions the group has about the crime scene. (Questions must be able to be answered by observing the crime scene)

12. 3. Gather background information  Read interviews out loud to your group  Identify the most important piece of information from each interview & record that info in a few bullet points on the handout

13. 4. Gather evidence  Materials Manager: The pH of the blue liquid is 8. What does that mean? (Complete on handout)

14. 5. Make inferences  Inferences = explanations based on observations  Make inferences about what you think happened to Jeremy.  Come up with a 1P explanation of what happened from start to finish (complete as #5 on handout)