Compare 7 different hair samples to the hair found at a scene to determine whose hair was at the scene. I'm using a Ward's kit for this video & it is for my PLTW PBS students for activity 1.1.3.
Here's a handout you can use to record information from the video, as well as a rubric for student conclusions: docs.google.co...
And here is a really cool lab case that John Donahue created to go with this video: docs.google.co... Thanks for sharing, John!
25 авг 2024