- Put some GlowGerm powder on your hand and shake the hands of students as the enter the class.
- Near the end of the class, darken the room and look for traces of the "germ" using a hand-held "black light"
- Record the pattern of occurance using the form provided.
- Place a few drops of GlowGerm gel on the hands of your students
- Ask them to rub their hands together, including the backs of their hands and their nails
- Ask them to wash their hands.
- Darken the room and investigate for the presence of "germs" using a black light.
Observe surface of skin
- Using a handheld videomicroscope, take photographs of the surface of the skin
Questions - answered in the quickwrite
- Which surfaces of the skin are most likely to be "infected" in this activity?
- Describe the patterns of "infection"
- Offer possible explanations for any observed patterns
- In which regions of the hands did the "pathogens" persist?
- What are the most common pathogens affecting our heath?