5th grade science

1. Microorganisms
Saint Andrew
Fifth Grade
Ms. Hahn

2. Health
 Being healthy involves:
-physical body
-mental mind
- social well- being
surroundings

3. Ilness
 -change that affect our
organism´s balance in a negative
way
Physical mental social
well- being

4. Types of physical ilnesses
 Degenerativ
e
 Infectuous
 Parasitic
 deciciency

5. Types of physical ilnesses:
Infectuous
 Caused microorganisims
 Act fast
 Contagious
 Inmune system white blood cells

6. Types of physical ilnesses:
degenertative
Caused:
 Degeneration aging
lifestyle
 Progressive

7. Types of physical
ilnesses:parasitic
Caused:
 By parasites
 parasites
 live inside our body
harm

8. Types of physical ilnesses:
deficiency
Cause:
 Lack or deficiency of
nutrients

9. Microorganisms
 Bacteria
 Fungi
 Virus - Are not considered alive
-Are classified as
microorganisms -for their
small size
Harmful: Cause illness Benefical effects
Virus Bacteria
bacteria Fungi
fungi

10. Bacteria
 Unicellular organisms
 Smallest
 Most abundant
 Can be found everywhere: -air
-water
-the ground
-our bodies
-cold places
Antartica
-close to hot places
volcanoes

11. Virus
 They depend on other organisms to multiply
infect cells Multiply more virus

12. Fungi
 Grow in damp areas
 There are - Unicelular e.g.:
yeast
-Multicelular e.g.:
mushrooms
 They absorb nutrients from
decomposing plants and animals

13. Harmful Microorganisms

14. Infectiuous diseases
 Responisble for 13 million deaths a year.
 Microorganismas are small but can be leathal
Cholera
Bacterial
Cause : eting food
contaminated by the
vibrion cholera
bacteria.
Effects: diahrea and
nausea.
-leathal if not
treated

15. Infectious diseases
Typhoid fever
Bacterial
Cause : eating food
contaminated by the
salmonella typhi
bacteria.
Effects:
-abdominal pain
-fever
-diarrhea

16. Infectious diseases
Tuberculosis
Bacterial
Cause : airborne.
Breathing
contaminated air.
Mycobacterium
tuberculosis
bacteria.
Effects:
-cough
-fever
-shivering
-weight loss

17. Infectious diseases
Harmful Fungi: micosis or fungal infections:
Ringworm
Fungi
Cause : -prolonged humidity
-wound
-lack of hygiene
Effects:
-burning sensation
-bad odor
-irritation
-redness
Itchiness

18. Beneficial Effects of Microrganisms

19. Beneficial Bacteria
 Our bodies are home to many beneficial bacteria
 Use: - food
- remedies

20. Beneficial Bacteria
 Our bodies are home to many
beneficial bacteria:
 human microbiome
 Skin
 Nose
 Stomach
 Intetines
It stops harmful mircoorganisms from
getting in.

21. Beneficial Fungi
 Penicillium