Презентация на тему "Greenhouse effect (Парниковый эффект)" 7 класс

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  GREENHOUSE EFFECT 1

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  The greenhouse effect is when the temperaturerisesbecause the sun’s heat and light is trapped in the earth’s atmosphere. WHAT IS GREENHOUSE EFFECT? 2

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  WHAT ARE GREENHOUSE GASES? Greenhouse gases are gases in the Earth’s atmosphere that collect heat and light from the sun. 3 СO2 CH4 NO2 CFC

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  Solar radiation passes through the clear atmosphere. Most radiation is absorbed by the Earth’s surface and warms it. 4

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  If there gets to be too many gases, theearth can get unusually warmer and many plants, animals andpeople will die. What is global warming doing to the environment? 5

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  Without greenhouse effect the earth would be freezing or ,on the other hand ,it would be burning hot. 6

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  Global warning make the sea level become higher. Water covers many low land islands. Animals lose a source of food in their habitat. They die. 7

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  Global warning destroy forests, kill animals . In the forests some plant and tree leaves can be so dry that they catch on fire. 8

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  What Causes of Global Warming? Electrical pollution Using a hair dryer Using an air conditioner Heating a meal in the microwave Using a washing machine Electrical nets 9

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  Using sprays Watching TV Listening to CDs Playing computer games 10

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  Water and Oil 10

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  What Must We Do to Stop Global Warming? 1.Recycle 2.Plant trees 3.Turn off television, computers and lights when we leave home 4.Walk instead of driving a car 11

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  Данную презентацию выполнила: Аввакумова Татьяна Игоревна учитель английского языка Петра-Дубравская средняя школа Волжского района Самарской области 1 квалификационная категория Значок -Почётный работник общего образования

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  Список источников используемых материалов: 1.en.wikipedia.org 2.www.projectbritain.com 3.www.alleng.ru 4.Видео фрагменты с Youtube от пользователя WatchMojo и Bibigon.ru