3.1. Importance of Composition

Try these first

1. 1.

   What is PM?

   Hint

   Think about what is suspended in the air.

2. 2.

   Name one method used to measure PM.

   Hint

   Consider methods related to mass or size.

3. 3.

   What is the primary measurement technique used to determine the mass of PM?

   • Optical Measurement
   • Gravimetric Measurement
   • Electrical Mobility

   Hint

   Consider which method focuses on mass.

4. 4.

   True or False: Optical methods measure PM primarily by weight.

   • True
   • False

   Hint

   Think of how optical instruments work.

5. 5.

   Design an experiment to compare the effectiveness of different measurement methods for PM. Describe the setup and expected results.

   Hint

   Consider what factors can affect results for each method.

6. 6.

   Discuss the economic implications of investing in advanced PM analysis technologies. How might this impact public health and the environment?

   Hint

   Think about how accurate data influences governmental decisions.