microBIOLOGY for Jr. High
Grade 8
Normal Microbial Flora
Goals are:
1. To introduce the concept that all humans normally
have microbes and to present:
a. Where in the body these are found
b. How many there are of them and
c. What they do to promote good health
2. To show what can happen when a normal microbe
goes astray:
a. Too much of a good thing -
Alteration of Normal Flora from
i. Unavoidable influences
Age
Sex
ii. Avoidable influences
Dental caries and sugar (sucrose)
Antibiotics
b. Right microbe - wrong place
example = The Anatomy of a Pimple
A. Materials for Students
1. Your microbes (template for copier)
B. Activities for Students
1. Growing microbes from you and your environment
2. Normal microbial flora.
C. Resources for Teachers
1. Overhead transparencies/sample commentary for A.1-3
a. Definition of normal flora.
b. Where are our microbes?
c. How many are there?
d. What do they do?
e. Microbes workshop for teachers.
2. Instructions for B.1. experiment.
3. Template for puzzle B.2.
with separate answer sheet
D. Response sheet on module