Introductory- these activities will be conducted at various times earlier in the school year to give the students an introduction to the lab equipment and procedures. Reference will be made to these activities during the Forensic Science Unit.
Use of the Microscope--Letter "E"
Examining plant and animal cells under the microscope
Paper chromatography with plant pigments
Suggested Time Line-
Divide class into cooperative groups
Read initial investigative reports and interviews
Receive collected evidence (meeting note, hairs, blood, skin cells containing DNA)
Teams prepare flow charts on how they will proceed with investigation
Return flow chart to students with feedback
Students work at two of four stations:
Ink chromatography, hair microscopy, blood typing, DNA gel electrophoresis
Students continue to work at stations
Complete lab work
Team writes a report describing what the group thinks happened and why.
They must relate conclusions to actual evidence. Turn in report. Clean lab.