1. How many surfaces does the average person touch in 30 minutes?
10
40
100
300
2. What is the most germ-contaminated surface in the average home?
Toilet seat
Phone receiver
TV remote
Light switch
3. Which of these classroom surfaces has the most bacteria?
Water fountain handle
Doorknob
Computer keyboard
Student desktop
4. How long can viruses survive on common surfaces like doorknobs and staplers?
10 minutes
Up to 3 days
2 weeks
1 month
5. How many bacteria are on the average student's desk?
10
100
10,000
10 million
