An atmospheric science experiment

The Journal’s do-it-yourself guide on how you can test the air quality in your home

So maybe you didn’t get that research grant, or the equipment in your kitchen just isn’t up to the science lab standards, but chances are there’s still hope for your dreams of experimental glory.

The Journal presents a do-it-yourself science experiment to test your house’s air quality, proving that at-home science is more than just a baking soda and vinegar volcano.

  1. To begin, you will need some clean cardboard, Vaseline and tape.
  2. Cut the cardboard into four-inch by three-inch rectangles. Cut out one rectangle per room you want to test.
  3. Coat the cleanest side of the cardboard with a healthy layer of Vaseline, a couple of millimetres thick.
  4. Place your Vaseline-covered rectangles in different rooms, preferable where they won’t be stepped on. If you’re feeling adventurous, put a couple at different levels in the same room. For example, put one in the corner under the window and another on the ceiling by the door.
  5. After three or four days, go around and look at your rectangles. The Vaseline will have trapped any particles floating in the air, showing you what you breathe in everyday.

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