Air Pollution Analogies

A. Fill in the missing blank to complete the following analogies:

1. CO is to primary as _______________ is to secondary.

2. Soot is to particulates as formaldehyde is to __________________.

3. NOx is to automobiles as SOx is to __________________________.

4. Tree leaves are to __________________ as volcanoes are to SO2.

5. NOx and SOx are to _______________ as CH4 is to global warming.

6. ____________ are to particulates as catalytic converters are to CO.

7. Mexico City is to North America as ______________ is to Asia, in terms of air pollution.

8. O3 is to photochemical smog as ________ is to industrial smog.

9. Leaves are to trees as _________________________ is to humans, in terms of damage by air pollution.

10. Currents are to water pollution as ____________ is to air pollution.

B. Complete the graphic organizer as you create your own analogy about air pollution:

Key

A. 1. ozone

2. air toxics

3. coal-fired power plants

4. hydrocarbons

5. acid deposition

6. scrubbers

7. Bejing

8. SO2

9. the respiratory tract

10. wind

S.Mudd, Butler HS