6. Microorganisms are living things.
They undergo life process such as breathe ,
grow and move.
7. Yeast is a fungus. It used in making bread.
It is able rise after we mix it with flour and
water and let the flour rest a while.
We can see the size of dough getting bigger.
The effect of yeast on the dough shows that
yeast breathes.
8. Flour + Dough rises
water (yeast
+yeast breathe)
9. When water is sprinkled on a slice of bread
and kept in a plastic bag for a week.
We can see black spot on the bread.
The black spot are fungi
This activity show that microorganisms
grows.
15. Diseases caused by
microorganisms :
a. Stomach upset f. conjunctivitis
b. Tooth decay g. scabies
c. measels h. AIDS
d. flu i. mumps
e. cough
16. Diseasescaused by microorganisms
can spread from one person to
another.
Example of diseases that can
spread:
cough, flu, measles, chicken pox
17. 1. Through food and drink
2. Sneezing or coughing
3. Direct contact
4. Carried by mosquitoes or flies
5. Spread through the air
18. a. Washing hands before handling food
b. Covering the mouth and nose when
coughing or sneezing
c. Washing hands after using the toilets
d. By putting patients who have chicken
pox, conjunctivities or mump in
quarantine.
e. By covering wounds