Download affordable depletion of ozone layer editable powerpoint template now. Global collaboration and regulation aims to reduce the emissions. The most commonly known example is the ozone layer, in which ozone is produced by ultra violet rays uv, which derive from the sun. Find ozone layer stock images in hd and millions of other royaltyfree stock photos, illustrations and vectors in the shutterstock collection. But good news is that most of the harmful uv radiation is absorbed by a layer of ozone gas 20 50 km above the earth. This layer serves as a shield that protects the earth from harmful ultraviolet radiation from the sun. Hence, cfcs are transporting agents that are responsible for damaging the ozone layer.
Professional depletion of ozone layer editable powerpoint. Introduction the ozone layer is a layer in earths atmosphere which contains relatively high concentrations of ozone o3. Hey guys the ozone day is celebrated on 16th september. Very useful to create presentations about space science, astrophysics, astronomy, astronomical objects like stars, planets, galaxies, nebulae etc. Policy responses to ozone depletion mario molina and sherwood rowland showed in 1974 that cfc gases destroy ozone coordinating committee on ozone layer ccol established by unep in the 1970s vienna convention for the protection of the ozone layer held in 1985 montreal protocol to ban. It has the potential to absorb around 9799% of the harmful ultraviolet radiations coming.
View and download powerpoint presentations on depletion of ozone layer ppt. The ozone layer is mainly found in the lower portion of the stratosphere. The ozone layer gets its name from ozone gas, an allotrope, or form, of the element oxygen. Ozone absorbs a band of ultraviolet radiation called uvb.
Use this ozone powerpoint template and create professional powerpoint presentations effortlessly. The ozone layer is found in the lower portion of the earths atmosphere. When highenergy ultraviolet rays uvc strike an oxygen. The sun propagates ultraviolet radiations which as an adverse effect on living beings. The ozone layer is a region in the earths stratosphere that contains high concentrations of ozone and protects the earth from the harmful ultraviolet radiations of the sun. Near the ground, ozone forming as a result of chemical reactions involving traffic pollution and sunlight may cause a number of respiratory problems, particularly for young children. Ozone layer depletion penn state college of earth and. Be effective with your powerpoint presentations by using our depletion of ozone layer powerpoint presentation template. The ozone layer present in the higher layer of the atmosphere protects the earth from the harmful uv radiation from the sun. Nearly 90% of earths ozone is in the stratosphere and referred to as the ozone layer. There are also springtime polar tropospheric ozone depletion. Ozone and environment ozone o3 a gas composed of three atoms of oxygen bluish gas that is harmful to breathe nearly 90% of the earth sponsored links displaying powerpoint presentation on ozone layer depletion available to view or download. Ozone can be bad every spring a hole in the layer of harmless ozone as big as the usa opens over antarctica, a smaller one develops over the arctic at the north pole this is the first signs that the ozone layer is. The ozone layer acts like a protective shield that filters ultravioletb radiation, uv radiation having other wavelengths than those that lead to ozone formation.
The ozone layer is being damaged by the use of chemicals like chloro fluoro carbons cfcs used in refrigerators and fire extinguishers. This layer absorbs the radiations and prohibits them from entering the outer surface of the earth. Ppt ozone layer depletion authorstream presentation. Without this ozone layer, life on earth would not have evolved in the way it has. With lots of customizable layouts and design elements included. Free powerpoint presentations about the ozone layer for. The ozone hole grows and decreases every year with. Download this stylish ozone powerpoint template background. Ozone layer depletion has been one of the major concern for the scientists of the world. Scribd is the worlds largest social reading and publishing site.
Ozone layer is a fragile shield of gas that protects us from harmful portion of radiations coming to earth from sun. Find powerpoint presentations and slides using the power of, find free presentations research about depletion of ozone layer ppt. This power point presentation is mainly focused on todays most challenging issue as depletion of ozone layer with major factors affecting it. Therefore, the ozone layer protects life on earth from the harmful effects of solar radiation on a daily basis. Ozone depletion, gradual thinning of earth s ozone layer in the upper atmosphere caused by the release of chemical compounds containing gaseous chlorine or bromine from industry and other human activities. Ozone is present high in our atmosphere as a gas, and molecules of ozone absorb ultraviolet uv light emitted by our sun. Pdf causes of ozone layer depletion and its effects on. Ozone is harmful at ground level but high up the atmosphere ozone layer plays a vital role in the protection of all living beings. Principally, an ozone molecule is nothing but an oxygen molecule that has received an extra oxygen atom by electric high voltage. The ozone in this region is commonly known as the ozone layer. The ozone layer refers to a region of earths stratosphere that absorbs most of the suns uv radiation. We collected most searched pages list related with seminar for ozone layer depletion and more about it. The ozone layer absorbs harmful ultraviolet radiation from the sun and is.
Ozone layer is also naturally broken down but there is a balance between its formation and natural depletion. There are natural processes that create and destroy ozone in the stratosphere. Displaying top 8 worksheets found for ozone layer grade 4. Ppt the ozone layer powerpoint presentation free to. So, why is the ozone layer important to life on earth. Introduction to how the ozone layer works howstuffworks. Ozone layer is also naturally broken down but there is a. This template will be a great choice for templates on pollution, layer, ozone, summer, cloud, atmospheric, white, etc. Ozone layer the ozone layer is basically naturally occurring gas in the region of stratosphere where ozone particles are accumulated 2. Before 2 decades there was a news stating that the ozone layer got damaged due to over usage of refrigerators and acs. Total bromine from halons has decreased from a peak of 8. In order to create awareness among people regarding.
Ozone layer of the earths atmosphere protects us from the harmful solar radiation. This free powerpoint template helps you to grasp the attention of your viewers towards the importance, effects and causes of ozone layer depletion. A free powerpoint ppt presentation displayed as a flash slide show on id. The emission of ozonedepleting gases are threatening the earths ozone layer. Causes of ozone layer depletion and its effects on human. It can be found on the earths surface as well used for such things as bleaching, sterilizing water, and removing unpleasant smells. Ozone layer depletion causes affecting factors ozone hole etc. But due to that news now we got the cfc free refrigerators and acs in the market. Because we have given more than 30 ppt in one place. Ozone layer and ozone layer depletion powerpoint free. Ozone is present high in our stratosphere as a gas. Presentation on ozone depletion linkedin slideshare. Ozone is a molecule made of three atoms of oxygen instead of the usual two atoms. However, mounting evidence suggests that ozone layer is diminishing rapidly.
Ppt ozone layer depletion powerpoint presentation free. The first report of depletion in o 3 layer came out in the 1980s by an atmospheric scientist in antarctica. It contains high concentrations of ozone o3 relative to other parts of the atmosphere. Ozone and environment ozone o3 a gas composed of three atoms of oxygen bluish gas that is harmful to breathe nearly 90% of the earths ozone is in the stratosphere and is referred to as the ozone layer ozone absorbs a band of ultraviolet radiation called uvb ozonedepleting substances ods. Find highquality ozone layer stock photos and editorial news pictures from getty images. Our ozone layer depletion ppt template is excellent for giving an indepth presentation about such a topic. Twenty questions and answers about the ozone layer. Molecules of ozone absorb ultraviolet uv light emitted by our sun. Ozone layer powerpoint template ozone layer powerpoint. The latter phenomenon is referred to as the ozone hole. Ozone layer, region of the upper atmosphere, between roughly 15 and 35 km 9 and 22 miles above earths surface, containing relatively high concentrations of ozone molecules. Thousands of new, highquality pictures added every day. Download premium images you cant get anywhere else. Some of the worksheets for this concept are activity pack for key stages 2 3, national aeronautics and the ozone hole space administratio n, layers of the earths atmosphere work, note in the information box at the bottom of the screen, third grade atmosphere, the atmosphere the ocean of air above us, airnow.
However, ozone gas doesnt just coat our earths stratosphere. The ozone layer free download as powerpoint presentation. Unlike oxygen o2, ozone has a strong scent and is blue in color. Ozone is naturally produced through certain types of chemical reactions. Powerpoint is the worlds most popular presentation software which can let you create professional depletion of ozone layer powerpoint presentation easily and in no time. Ozone depletion consists of two related events observed since the late 1970s. The thinning is most pronounced in the polar regions, especially over antarctica.
Ozone layer depletion cause, effects, and solutions. Ozone gas has become so synonymous with the ozone layer that people now refer to the layer as the ozone. Life on earth has been protected for thousands of years with a vital layer of poison in the atmosphere. This helps you give your presentation on depletion of ozone layer in a conference, a school lecture, a business proposal, in a webinar and business and professional representations. Ozone layer is depleting and we must ban the use of substances that are depleting ozone layer.
Ozone is an irritating, corrosive, colorless gas with a smell something like burning electrical wiring. The stratospheric ozone layer completely stops the penetration of uvc rays and eliminates most of the uvb rays. Evs global warming, ozone depletion ppt free download as powerpoint presentation. The uploader spent hisher valuable time to create this depletion of ozone layer powerpoint presentation slides, to share hisher useful content with the world. Index terms bio effects, chlorofluorocarbon, ozone layer depletion, protection. Approximately 90 percent of the atmospheres ozone occurs from 1018 km 611 miles to. As a result the total amount of ozone remains constant. The ozone layer is basically naturally occurring gas i n the region of stratosphe re where ozone part icles are a c cumulated 2. This powerpoint presentation will guide the students through a description of the earths ozone layer and the concept behind ozone depletion.
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