Science Project:

Air Pollution

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Materials:

  • Microscope slides
  • Petroleum jelly
  • Microscope (at least 10x magnification)
  • Shoe boxes
  • Home furnace air filter

Procedure

  1. Take a glass microscope slide and smear a thin layer of petroleum jelly on to the top surface ensuring the entire surface is coated.
  2. Place the slide in the areas you frequent:
    • Bedroom
    • Kitchen
    • Garage
    • Backyard
    • Classroom
    • Car
  3. Label your slides according to its location.
  4. Place the slides in an open area, where the air flows freely.
  5. Wait 1-2 days and collect your slides.
  6. Using a microscope examine the particles that were trapped by the petroleum jelly.Can you classify the particles?What percentage of the slide is covered?‚Äč
  7. Compare slides from the indoors vs. the outdoors.
  8. Compare slides between the rooms of your home.
  9. Organize your data in a chart.

Backyard

Garage

Kitchen

Bedroom

Classroom

Incubation Time

24 hrs

24 hrs

24 hrs

24 hrs

24 hrs

Particle Contents

% Coverage

90%

75%

60%

30%

70%

Author: Melissa Bautista
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