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Chapter 12 EnScience
Chapter 12
| Question | Answer |
|---|---|
| When harmful substances build up in the air to unhealthy levels what is the result? | air pollution |
| Where does most pollution come from? | Human activities |
| What are some natural pollutants? | volcanos, dust, pollen, and spores |
| What pollutant is put directly into the air by human activity? | primary pollutant |
| What is it called when a primary pollutant comes into contact with other primary pollutants or with naturally occurring substances and a chemical reaction takes place? | secondary pollutant |
| When air pollution hangs over urban areas and reduces visibility what is it called? | smog |
| When the air above is warmer than the air below it's called? | temperature inversion |
| What are buildings that have very poor air quality and have a conditions called? | sick-building syndrome |
| Several minerals that form in long, thin fibers and that are valued for their strength and resistance to heat are called what? | asbestos |
| What is a colorless, tasteless, and oderless gas called? | radon |
| What unit is sound measured in? | decibels |
| What is precipitation such as rain, sleet, or snow that contains a high concentration of acids called? | acid precipitation |
| What does pH stand for? | power of hydrogen |
| What is the type of measure used to measure of how acidic or basic a substance is? | pH |
| What is the increase in the concentration of acid called? | acidification |
| What is the sudden influx of acidic water that causes a rapid change in the water's pH called? | acid shock |
Created by:
Kerri.Castaneda
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