Students participating in this investigation will research particulate matter investigate the amount of particulate matter in the air at certain locations. Students may hypothesis the areas that have the most or least particulate matter. Students will measure the air particulate matter using either petri dishes with Vaseline medium or use the vacuum boxes. Each method will allow for the measurement of particulate matter. Students will need to measure another variable that they assume will be the cause of the particulate matter and controlling external variables such as weather. Students can also compare their data to the Hong Kong observatories secondary data in their discussion.
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