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Air Particles

Air Particles. B IG Question. Does indoor air have more particle pollution than outdoor air? I am investigating this question because of the strong influence of air pollution in a way that tells if our houses are the ones that are more polluted or if it is just in the outdoor air. Hypothesis.

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Air Particles

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  1. Air Particles

  2. BIG Question • Does indoor air have more particle pollution than outdoor air? • I am investigating this question because of the strong influence of air pollution in a way that tells if our houses are the ones that are more polluted or if it is just in the outdoor air.

  3. Hypothesis • My hypothesis is that indoor air will have more particles than outdoor air will. • I believe that indoor air will have more particles because of hairspray, perfume, candles, and more everyday house products used.

  4. Interesting Facts • The government has developed The Clean Air Act, which defines EPA’s responsibilities for protecting and improving the nation’s air quality. • Since The Clean Air Act was passed in 1970, air quality has improved in many regions of the country. • Pollution levels inside can be up to 100 times the levels outside. • 99% of the suspended airborne particles are to small to see. • Some potential emergencies could send tiny microscopic “junk” into the air.

  5. Experiment • Materials • Note cards • Petroleum jelly • Tape • Spreading tool • Control/ variables stated • All samples were gathered using the same methods. All samples were exposed to the same amount of time and air. • I reviewed and compared the results of all data using the same comparison scale. • Variables: Location, temperature, and weather. • Instructions • Gather fourteen index cards. Label them from I-1 and O-1 all the way to I-7 and O-7. Place the petroleum jelly on I-1 and O-1 through to I-7 and O-7. Next place the first two cards on the same window inside and out. NOTE: tape them to the window. After performing the above all the way to I-7 and O-7 take observations on the results.

  6. Observations/ Data • I-1 • Slight change in color (yellow). A few unidentifiable particles. • O-1 • Moderate color change (yellow). A few unidentifiable particles.

  7. Observations/ Data • I-2 • A few spots of color change (tan). Some unidentifiable particles. • O-2 • A bit more spots of color change (lighter color). Some unidentifiable particles.

  8. Observations/Data • I-3 • Much less color change. Mostly white in color. Less unidentifiable particles. • O-3 • Slightly more color change (yellow). Similar amount of particles.

  9. Observations/ Data • I-4 • Minor color change (dirty white). Few unidentifiable particles. • O-4 • Less color change (cleaner). Few unidentifiable particles.

  10. Observations/ Data • I-5 • Moderate color change (dirty white). More unidentifiable particles. • O-5 • Moderate color change (dirty yellow). Particles appear larger, but unable to identify.

  11. Observations/ Data • I-6 • Slightly less color change than recent. Few unidentifiable particles. • O-6 • Most color change to date (yellow). Increase in unidentifiable particles.

  12. Observations/ Data • I-7 • Color change is very slight (yellow). Few unidentifiable particles. • O-7 • Slightly less color than recent. More black and brown particles and 1 green particle.

  13. Analysis • The experiment tested my hypothesis by displaying which air has more particle pollution. • I believe that it was tested because the card’s contents showed the differences of the number of particles and air quality.

  14. Conclusion • My hypothesis was incorrect. The petroleum on the outdoor cards contained more particular particles. • To develop better data, I would have placed the cards in numerous amount of places, instead of about only six locations. • A question that developed from the results of my experiment is: Does this experiment’s results and data only apply to where I live?

  15. References • http://www.sierraclub.org/cleanair/ • http://www.epa.gov/air/caa/ • http://www.ready.gov/america/getakit/cleanair.htm • http://www.cha.maryland.gov/oeh/images/cleanairlogo.gif

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