My Crossword Maker Logo
Powered by BrightSprout
Save Status:
or to save your progress. The page will not refresh.
Controls:
SPACEBAR SWITCHES TYPING DIRECTION
Answer Key:
Edit a Copy:
Make Your Own:
Crossword Word Search Worksheet
Rate This Puzzle:
Log in or sign up to rate this puzzle.

Types and Sources of Air Pollution

Across
A colorless, odorless, tasteless gas that's produced during incomplete combustion of any fuels.
A compound formed by burning substances such as coal.
An abnormal increase in air temperature that occurs in the troposphere, the lowest level of the earth's atmosphere.
particles of unburned gasoline vapors, paint, glue, and other airborne materials that derive from organisms.
small microscopic pieces of matter that enter the lungs and can cause severe damage.
formed when pollutants emitted by cars, power plants, industrial boilers, refineries, chemical plants, and other sources react chemically in the presence of sunlight.
Down
At the national level, major sources of lead in the air are from ore and metal processing and piston-engine aircraft operating on leaded aviation fuel.
Gaseous air pollutant produced as a result of road traffic and other fossil fuel combustion processes.
mixture of pollutants that are formed when nitrogen oxides and volatile organic compounds (VOCs) react with sunlight, creating a brown haze above cities.
Pollutant emitted directly from a source.
Pollutants that are not directly emitted, but are formed when other primary pollutants react in the atmosphere.
contains two primary components: sulfur dioxide and particulates, which include dust and soot from burning coal for heat and fuel.