Air PollutionExperiment # 3

I. Problem What are the causes of air pollution in my place?II. Hypothesis ( If ___________, then ______.)

III. Materials Clean white cloth, oil, clips/clothes pins

IV. Procedure1. Get the clean white cloth.2. Rub some oil on it.3. Find a place where you can hang the cloth with oil. (It can be a window in your house, in the garden or any place where you spend time).

4. Wait for 3 days.5. After 3 days, get the cloth.6. Compare it with those of your classmates or those that were hung in other places.7. Record your observation.

V. DataA. ChartSet-ups Observations

A. Before  

 

B. After 

 

B. Questions1. Describe the cloth before the activity.

 2. Describe the cloth after 3 days.

3. In your group, whose cloth accumulated the most dirt?

 4. What are the pollutants found in your cloth?

 5. How good is the air in my place? 

Interpretation ______________________________________________________________

VI. Conclusion____________________________________________________________________________________________________________________________