Vocab
The thin layer of gases that surround and protect the Earth.
What is the atmosphere?
The layer of the atmosphere where weather happens, as well as where we live.
What is the troposphere?
This unhealthy mixture of air pollutants that may form over cities is a combination of the words "smoke" and "fog".
What is smog?
This occurs when a certain protective barrier in the stratosphere becomes destroyed, letting harmful UV rays through.
What is an ozone hole?
These are the names of Ms. Havu's 2 dogs.
Who are Laika and Stubby?
Carbon-containing fuels that formed millions of years ago from the remains of living things.
What are fossil fuels?
The fourth layer of Earth's atmosphere, where the temperature continues to increase.
What is the thermosphere?
When acids formed by water, oxygen, and other chemicals settle on Earth's surface.
What is acid deposition?
This bill was passed in 1963 to protect human and environmental health by improving air quality.
What is the Clean Air Act?
This is the chemical formula for water.
What is H2O?
This concentration of O3 gas in the stratosphere protects us from the sun's harmful UV rays.
What is the ozone layer?
The most abundant gas in Earth's atmosphere.
What is nitrogen?
This primary pollutant can interfere with your body's ability to deliver oxygen to cells.
What is carbon monoxide (CO)?
This has been present in all cars since 1975, and is necessary to reduce vehicle emissions.
What is a catalytic converter?
This is the chemical formula for carbon dioxide.
What is CO2?
One of the main causes of wind in the troposphere, when hot air rises and cold air sinks continuously.
What is a convection current?
A boundary when a mass of warm, moist air pushes against cold, dry air. Can cause light precipitation.
What is a warm front?
This layer of warm air traps pollution during thermal inversion.
What is an inversion layer?
This pollutant has been phased out of gasoline.
What is lead?
This is the chemical formula for chlorofluorocarbon.
What is CFC?
A family of chemical compounds containing chlorine, fluorine, and carbon.
What are chlorofluorocarbons (CFCs)?
The transfer of energy through space, for example, how sunlight reaches Earth.
What is radiation?
This type of smog is caused when vehicle exhaust reacts to light and creates tropospheric ozone.
What is photochemical smog?
This treaty was signed by many nations in 1987 to reduce the production of CFCs.
What is the Montreal Protocol?
This is the state Ms. Havu is from/grew up in.
What is Maine?