OZONE ONE KIND OF AIR POLLUTION
A photochemical reaction Sunlight + a chemical = different chemicals Not all kinds of light Only shorter wavelengths (visible, UV) Examples: Photosynthesis in plants (movie)movie Fading paint on your house, car Fading colors of clothes in store windows Making ‘good’ zone Sunburn DNA changes Photochemical smog: car exhaust & sunlight= ozone (picture)picture Sunlight + a chemical = different chemicals Not all kinds of light Only shorter wavelengths (visible, UV) Examples: Photosynthesis in plants (movie)movie Fading paint on your house, car Fading colors of clothes in store windows Making ‘good’ zone Sunburn DNA changes Photochemical smog: car exhaust & sunlight= ozone (picture)picture
GOOD OZONE Very high - 10 to 30 miles (25 km) Called the Stratosphere 15 ppb ozone Absorbs short UV light (<350 nm) Protects people & all living things ! Very high - 10 to 30 miles (25 km) Called the Stratosphere 15 ppb ozone Absorbs short UV light (<350 nm) Protects people & all living things !
BAD OZONE 0-7 miles high Called the Troposphere Some is natural, Some comes from pollution Is bad for people’s health 0-7 miles high Called the Troposphere Some is natural, Some comes from pollution Is bad for people’s health
OZONE IS A GAS (picture)picture OZONE IS A GAS (picture)picture
BAD OZONE Comes from car exhaust VOC - Volitile Organic Compounds NO x - NO 3 Nitrates and NO 2 Nitrites Sunlight causes chemical change Irritates your lungs and eyes. Comes from car exhaust VOC - Volitile Organic Compounds NO x - NO 3 Nitrates and NO 2 Nitrites Sunlight causes chemical change Irritates your lungs and eyes.
Ozone affects people
Ozone affects plants
Will ozone damage our beans?