Ozone Layer Depletion
6
By: Lauryn and Rachel By: Lauryn and Rachel Money. Money. Ozone Layer Ozone Layer Depletion Depletion
description
Ozone Layer Depletion. By: Lauryn and Rachel Money. What is the Ozone layer?!. The ozone layer is an atmospheric layer that helps shield life from ultraviolet radiation, which helps minimize the breakage of DNA. How is it happening?. - PowerPoint PPT Presentation
Transcript of Ozone Layer Depletion
By: Lauryn and Rachel Money.By: Lauryn and Rachel Money.
Ozone Layer DepletionOzone Layer Depletion
What is the Ozone layer?!What is the Ozone layer?!
The The ozoneozone layerlayer is an atmospheric is an atmospheric layer that helps shield life from layer that helps shield life from ultraviolet radiation, which helps ultraviolet radiation, which helps minimize the breakage of DNA.minimize the breakage of DNA.
How is it happening?How is it happening?
Chlorofluorocarbons (CFCs), are Chlorofluorocarbons (CFCs), are chemicals that are emitted into the chemicals that are emitted into the lower atmosphere.lower atmosphere.
These chemicals slowly penetrate These chemicals slowly penetrate into the stratosphere, where they into the stratosphere, where they then consume ozone molecules.then consume ozone molecules.
Why all the depletion? Why all the depletion? First observed in the mid-1980’s, First observed in the mid-1980’s,
pollution is the factor causing ozone pollution is the factor causing ozone layer depletion.layer depletion.• Examples;Examples;
Chemicals in air conditioning and cooling Chemicals in air conditioning and cooling units.units.
Aerosol spray (hairsprays). Cleaning processes of electronical
equipment.
What is ultraviolet radiation?What is ultraviolet radiation? Ultraviolet light is a form of Ultraviolet light is a form of
electromagnetic radiation.electromagnetic radiation.
((The term electromagnetic spectrum refers to all forms of energy transmitted The term electromagnetic spectrum refers to all forms of energy transmitted
by means of waves traveling at the speed of lightby means of waves traveling at the speed of light.) .) This is the radiation that causes This is the radiation that causes
tanning and sunburns and can lead tanning and sunburns and can lead to skin cancer. to skin cancer.
Works CitedWorks Cited Freedman, Bill. "Ozone layer depletion." Freedman, Bill. "Ozone layer depletion." Gale Encyclopedia of ScienceGale Encyclopedia of Science. Ed. K. Lee . Ed. K. Lee
Lerner and Brenda Wilmoth Lerner. 4th ed. Detroit: Gale Group, 2008. Lerner and Brenda Wilmoth Lerner. 4th ed. Detroit: Gale Group, 2008. Student Student Resource Center - GoldResource Center - Gold. Gale. Stroudsburg High School. 26 Feb. 2009 . Gale. Stroudsburg High School. 26 Feb. 2009 <http://find.galegroup.com><http://find.galegroup.com>
"Ozone." "Ozone." World of Scientific DiscoveryWorld of Scientific Discovery. Ed. Kimberley A. McGrath and Bridget Travers. . Ed. Kimberley A. McGrath and Bridget Travers. Online ed. Detroit: Thomson Gale, 2007. Online ed. Detroit: Thomson Gale, 2007. Student Resource Center - GoldStudent Resource Center - Gold. Gale. . Gale. Stroudsburg High School. 26 Feb. 2009 Stroudsburg High School. 26 Feb. 2009 http://find.galegroup.comhttp://find.galegroup.com
"Electromagnetic spectrum." "Electromagnetic spectrum." UXL Encyclopedia of ScienceUXL Encyclopedia of Science. Ed. Rob Nagel. 2nd ed. . Ed. Rob Nagel. 2nd ed.
Detroit: U*X*L, 2007. Detroit: U*X*L, 2007. Student Resource Center - GoldStudent Resource Center - Gold. Gale.. Gale.
