Ozone layer depletion powerpoint template sketchbubble. Approximately 90 percent of the atmospheres ozone occurs from 1018 km 611 miles to. This layer absorbs 9399% of the suns high frequency ultraviolet light, which is potentially damaging to life on earth 1. The emission of ozonedepleting gases are threatening the earths ozone layer. Find ozone layer stock images in hd and millions of other royaltyfree stock photos, illustrations and vectors in the shutterstock collection. Ozone is present high in our atmosphere as a gas, and molecules of ozone absorb ultraviolet uv light emitted by our sun. Ozone layer is also naturally broken down but there is a balance between its formation and natural depletion. When highenergy ultraviolet rays uvc strike an oxygen. Find powerpoint presentations and slides using the power of, find free presentations research about depletion of ozone layer ppt. 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, mounting evidence suggests that ozone layer is diminishing rapidly. Molecules of ozone absorb ultraviolet uv light emitted by our sun. The ozone layer is being damaged by the use of chemicals like chloro fluoro carbons cfcs used in refrigerators and fire extinguishers.
The ozone layer free download as powerpoint presentation. A free powerpoint ppt presentation displayed as a flash slide show on id. Ppt the ozone layer powerpoint presentation free to. 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. Very useful to create presentations about space science, astrophysics, astronomy, astronomical objects like stars, planets, galaxies, nebulae etc. Use this ozone powerpoint template and create professional powerpoint presentations effortlessly. Ozone layer of the earths atmosphere protects us from the harmful solar radiation. Evs global warming, ozone depletion ppt free download as powerpoint presentation. Download premium images you cant get anywhere else. 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 gas has become so synonymous with the ozone layer that people now refer to the layer as the ozone. Our ozone layer depletion ppt template is excellent for giving an indepth presentation about such a topic. 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. Scribd is the worlds largest social reading and publishing site. Ozone absorbs a band of ultraviolet radiation called uvb. 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.
The ozone layer refers to a region of earths stratosphere that absorbs most of the suns uv radiation. 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. Nearly 90% of earths ozone is in the stratosphere and referred to as the ozone layer. The ozone in this region is commonly known as the ozone layer. The sun propagates ultraviolet radiations which as an adverse effect on living beings. But due to that news now we got the cfc free refrigerators and acs in the market. Ppt ozone layer depletion powerpoint presentation free. This free powerpoint template helps you to grasp the attention of your viewers towards the importance, effects and causes of ozone layer depletion. This layer absorbs the radiations and prohibits them from entering the outer surface of the earth. Ppt ozone layer depletion authorstream presentation.
The stratospheric ozone layer completely stops the penetration of uvc rays and eliminates most of the uvb rays. It can be found on the earths surface as well used for such things as bleaching, sterilizing water, and removing unpleasant smells. This, in turn, will lead to the breakdown of ozone. The uploader spent hisher valuable time to create this depletion of ozone layer powerpoint presentation slides, to share hisher useful content with the world. Therefore, the ozone layer protects life on earth from the harmful effects of solar radiation on a daily basis. Free powerpoint presentations about the ozone layer for. However, ozone gas doesnt just coat our earths stratosphere. Hey guys the ozone day is celebrated on 16th september.
Life on earth has been protected for thousands of years with a vital layer of poison in the atmosphere. Thousands of new, highquality pictures added every day. We collected most searched pages list related with seminar for ozone layer depletion and more about it. Cfcs, hcfcs, halons, methyl bromide, carbon tetrachloride, and methyl chloroform. Hence, cfcs are transporting agents that are responsible for damaging the ozone layer. Download affordable depletion of ozone layer editable powerpoint template now. Ozone layer depletion cause, effects, and solutions. There are natural processes that create and destroy ozone in the stratosphere. The ozone layer is found in the lower portion of the earths atmosphere. Unlike oxygen o2, ozone has a strong scent and is blue in color. Scientists have found a huge gape in the ozone layer over antarctica. Ozone is harmful at ground level but high up the atmosphere ozone layer plays a vital role in the protection of all living beings. Be effective with your powerpoint presentations by using our depletion of ozone layer powerpoint presentation template. There are also springtime polar tropospheric ozone depletion.
The ozone layer acts like a protective shield that filters ultravioletb radiation, uv radiation having other wavelengths than those that lead to ozone formation. Introduction to how the ozone layer works howstuffworks. 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, 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. 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. Presentation on ozone depletion linkedin slideshare. Principally, an ozone molecule is nothing but an oxygen molecule that has received an extra oxygen atom by electric high voltage. The ozone layer is basically naturally occurring gas i n the region of stratosphe re where ozone part icles are a c cumulated 2. Ozone is a molecule made of three atoms of oxygen instead of the usual two atoms.
All of the slides feature hd vectorbased graphics, which allows you to resize images and icons without decreasing the high quality. Index terms bio effects, chlorofluorocarbon, ozone layer depletion, protection. Total bromine from halons has decreased from a peak of 8. The ozone layer refers to a region of earths stratosphere that absorbs. Without this ozone layer, life on earth would not have evolved in the way it has. It has the potential to absorb around 9799% of the harmful ultraviolet radiations coming. Ozone is an irritating, corrosive, colorless gas with a smell something like burning electrical wiring. Displaying top 8 worksheets found for ozone layer grade 4.
The ozone layer gets its name from ozone gas, an allotrope, or form, of the element oxygen. Download this stylish ozone powerpoint template background. Ozone is naturally produced through certain types of chemical reactions. Ozone layer and ozone layer depletion powerpoint free. Ozone layer depletion penn state college of earth and. 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 layer depletion has been one of the major concern for the scientists of the world. Ozone layer is a fragile shield of gas that protects us from harmful portion of radiations coming to earth from sun. The ozone layer is mainly found in the lower portion of the stratosphere. The most commonly known example is the ozone layer, in which ozone is produced by ultra violet rays uv, which derive from the sun. 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. This template will be a great choice for templates on pollution, layer, ozone, summer, cloud, atmospheric, white, etc. This layer serves as a shield that protects the earth from harmful ultraviolet radiation from the sun.
Ozone is present high in our stratosphere as a gas. View and download powerpoint presentations on depletion of ozone layer ppt. The latter phenomenon is referred to as the ozone hole. The ozone layer was discovered in 19 by the french physicists charles fabry and henri buisson. The ozone layer absorbs harmful ultraviolet radiation from the sun and is.
This power point presentation is mainly focused on todays most challenging issue as depletion of ozone layer with major factors affecting it. 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. Before 2 decades there was a news stating that the ozone layer got damaged due to over usage of refrigerators and acs. As a result the total amount of ozone remains constant. Ozone layer the ozone layer is basically naturally occurring gas in the region of stratosphere where ozone particles are accumulated 2. This powerpoint presentation will guide the students through a description of the earths ozone layer and the concept behind ozone depletion. The ozone layer present in the higher layer of the atmosphere protects the earth from the harmful uv radiation from the sun. 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. Because we have given more than 30 ppt in one place. With lots of customizable layouts and design elements included. In order to create awareness among people regarding. Find highquality ozone layer stock photos and editorial news pictures from getty images. So, why is the ozone layer important to life on earth.
Ozone layer introduction the ozone layer refers to the ozone within stratosphere, where over 90% of the earths ozone resides. Professional depletion of ozone layer editable powerpoint. Twenty questions and answers about the ozone layer. Ozone layer is also naturally broken down but there is a. The ozone hole grows and decreases every year with. Ozone layer powerpoint template ozone layer powerpoint. Why the hole in the atmospheric ozone layer above us. Ozone layer is depleting and we must ban the use of substances that are depleting ozone layer.
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