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the earth our home the environment our responsibility the earth our home the environment our responsibility aguilar camila y maiorana florencia 1

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the earth our home the environment our responsibility glossary 3 words pronunciation 6 survey 8 report 8 survey results 9 mind map 12 summery and activities 13 aguilar camila 13 maiorana florencia 17 aguilar camila y maiorana florencia 2

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the earth our home the environment our responsibility glossary acid rain n rain containing acids that form in the atmosphere due to industrial gases emissions combined with water e.g the biggest acid rain s consequences affect water and plants become extinct v pass from physical life and lose all bodily attributes and functions necessary to sustain life e.g hunting make a lot of important species become extinct every day burn v burn is a type of injury to files caused by heat electricity etc e.g burning litter or garbage release harmful gases and toxic substances cfc s n chlorofluorocarbons they re compounds that contain chlorine fluorine and carbon e.g if we want to recover the ozone hole we have to cut down on cfc s chemical waste n is a waste made from harmful chemicals e.g factories are the first cause of chemical waste because they release cfc s and harmful substances combustion n the process of burning e.g one of the ozone depletion s causes is the combustion of garbage litter etc instead of recycling or reusing materials cut down v to fell something or to reduce or make a reduction e.g1 if we stop cutting down trees we will stop global warming and greenhouse effects e.g2 factories should cut down on harmful gases to the atmosphere deforestation n the process of removing the trees from an area of land e.g deforestation increases acid rain s and green-house effects consequences die out v become extinct or disappear e.g some scientists say that the dinosaurs died out when a comet hit the earth and caused a nuclear winter disappear v when something that was it is not there anymore e.g a lot of species are disappearing because of hunting aguilar camila y maiorana florencia 3

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the earth our home the environment our responsibility ecosystem n a system formed by the interaction of community of organisms with their physical environment e.g along with the new bid for money the government presented a plan for cleaning up ecosystems all around the world to improve animals life emission n something that is emitted discharge emanation e.g the emission of toxic substances by burning garbage or litter make up the ozone hole or the ozone deletion endangered ad is specially used for animals in danger of extinction e.g the giant panda is one of the endangered species energy n a form of power such as electricity heat or light that is used for making things work e.g environmentally friendly energy sources include water and wind power environment n the place in which people live and work including all the physical conditions that affect them e.g we need to protect the environment for the next generations exhaust fumes n any materials unused and rejected as worthless or unwanted specially released by cars e.g exhaust fumes cfc s halogens and other toxic substances produce global warming extinction n is the end of an organism or of a group of animals normally as species e.g a lot of species are in danger of extinction factory fumes n toxic substances that factories dropped into the air and water e.g the uruguay river is polluted by botnia s factory fumes global warming n when atmosphere is very warm e.g global warming makes temperatures to increase in an extreme way green house effect n is a process by which thermal radiation from a planetary surface is absorbed by atmospheric green house gases and is re-irradiated in all directions e.g if we recycle we can reduce pollution and green house effect aguilar camila y maiorana florencia 4

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the earth our home the environment our responsibility hybrid cars n they are fuel-efficient cars that have an electric engine and a powered-battery one e.g hybrid cars reduce green house effect litter n disorderly and small pieces of rubbish e.g we must recycle litter or at least throw it to the bin ozone hole n a big hole in the ozone layer and it s called the ozone depletion e.g the ozone hole lets the ultraviolet radiation come into the earth and it can damage our skin or produces cancer ozone layer n a layer in the stratosphere that contains a concentration of ozone sufficient to block ultraviolet radiation from the sun e.g cfc s destroy ozone molecules in the stratosphere where the ozone layer is pollution n contamination e.g the main source of pollution in the stratosphere is cause by cfc s power n energy obtained from oil coal the sun etc used for operating equipment and machines e.g we can use solar power as an alternative energy for our homes offices etc rainforests n a forest in a tropical region of the world where it rains a lot rainforests are considered to be important environmental areas and many people want them to be protect ed by law e.g human beings have cleared lands and rainforests to introduce new foreign species recycle v its the reusing of materials instead of wasting them recycling save energy and reduce cfc s and harmful gases emission reforestation n is the restocking of existing forest and woodlands which have been depleted an effect of deforestation e.g reforestation encourages the growth of plants that produce oxygen renewable ad renewable energy and natural materials replace themselves by natural pr ocesses so that they are never completely used up e.g the wood in our furniture all comes from renewable sources aguilar camila y maiorana florencia 5

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the earth our home the environment our responsibility sound pollution n it s the pollution made by the cars buses motorbikes etc e.g the sound pollution is dangerous for the little animals that live in a city source n the cause of a problem or the place where it began e.g pesticides and weed killers are the main source of the fauna and flora extreme destruction survey n a set of questions that you ask a large number of people or organizations e.g a survey was carried out in our class to find out how green people are traffic jams n a number of vehicles so obstructed that they can scarcely move e.g traffic jams are the main cause of sound pollution tree-felling n is a forestry term it refers to the process of cutting trees and plants e.g tree felling destroys animals and plants harmony ultraviolet radiation n light is electromagnetic radiation with a wavelength shorter that visible light but longer that x-rays e.g ultraviolet radiation isn t absorbed by the ozone layer because of the ozone hole or ozone depletion waste v a situation in which time money or energy is used without bringing any useful result e.g energy is waste by industrial processes that produce new products instead of recycling words pronunciation ra com defores a in cfc s burn bus cut down ta cid tion tion aguilar camila y maiorana florencia 6

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the earth our home the environment our responsibility disa ex ppe tinc e fac mes glo war green hou e hy cars li o hole o la llu qui was cy ta sound llu tra jams tree fell vio dia ar tion nergy tory bal ming se ffect brid tter zone zone yer tion mical te cle tion tion ffic fu po re refores po ultra ra ing let tion you are now going to complete another survey use the words in the table to help you write your questions you can decide the time frame you wish to ask aguilar camila y maiorana florencia 7

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the earth our home the environment our responsibility survey whole class survey c ­ using water 1 have you had a bath or a shower for more than 5 minutes in the last week 2 have you watered plants in the garden in the afternoon in the last week 3 have you washed the car with a hose in the last week 4 have you used a glass of water when brushing your teeth in the last week 5 have you brought your own refillable water bottle to school in the last week 6 have you turned off the taps when you are no using them yes 5 0 0 0 2 5 no 0 5 5 5 3 0 report to the class from super stars camila aguilar y florencia maiorana subject environment using water introduction is a report where you know if the people care about the water findings the results of the survey show that all of the people have had a bath or a shower for more than 5 minutes in the last week but none of the people have watered plants in the garden in the afternoon only a few people have washed the car with a hose in the last week none of the people have used a glass of water when brushing their teeth in the last week only a few people have brought their refillable water bottle to school and all of the people have turned off the taps when they are no using them conclusions only a few people have cared the water we have to work more about it survey results aguilar camila y maiorana florencia 8

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the earth our home the environment our responsibility 1 have you had a bath or a shower for more than 5 minutes in the last week 0 yes no 100 3 have you washed the car with a hose in the last week 0 yes no 100 aguilar camila y maiorana florencia 9

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the earth our home the environment our responsibility 4 have you used a glass of water when brushing your teeth in the last week 0 yes no 100 5 have you brought your own refillable water bottle to school in the last week 40 yes no 60 aguilar camila y maiorana florencia 10

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the earth our home the environment our responsibility 6 have you turned off the taps when you are no using them 0 yes no 100 resultados 6 5 4 3 2 1 0 yes no 3 have you washed aguilar camila y maiorana florencia 11 1 have you had a bath or a 5 have you brought

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the earth our home the environment our responsibility mind maps aguilar camila rubbish aerosol factory fumes pollution recycling use bicycles take care about plants florencia maiorana aguilar camila y maiorana florencia 12

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the earth our home the environment our responsibility sulfur dioxide and nitrogen acid gases emitted into the air generated by cars nitrogen acids and sulfur that are by generated combustion through a series of chemical reactors sulfur dioxide is converted into sulfur trioxide when in turn and trough some environmental catalysts or by the direct action of sun light acid rain use of clean technologies energy saving use of clean fuels summery and activities aguilar camila global warming aguilar camila y maiorana florencia 13

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the earth our home the environment our responsibility the burn coal oil and gas are called greenhouse and they are dangerous because they stop the beat of the sun reaching the earth these gases produce the global warming scientist found that during the next fifty years about 25 of land animals and plants will become extinct it s too late to save many animals and plants but if we control greenhouse gases now we could save many more plants and animals from extinction animals in mountainous regions have a better chance of survival because they can move uphill to get cooler one of the plants in danger of extinction is the national flower of south africa seventy species of tree in brazil could become extinct and in mexico more than 30 of species were in danger of extinction if people continue to burn oil coal and gas at the same rare as today about 30 of all life forms will become extinct by 2050 activities global warming 1 key vocabulary extinct ­ extinction mammoth lived on the earth thousands of years ago there are no mammoth now mammoth are extinct the dodo was a strange bird that lived on the island of mauritius the last dodo died in the 18th century dodos are extinct today many animals are in danger of extinction what does extinct mean choose the best answer a very large b no longer existing c interesting the best answer is b 2 correct the information 1 50 of land animals and plants will become extinct during the next 60 years 2 more than 10 million plants and animals will become extinct by 2080 3 more than 20 of all plants and animals will become extinct 4 they studied 12 species of butterfly in australia 5 80 of the species of the kruger national park will die out aguilar camila y maiorana florencia 14

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the earth our home the environment our responsibility 6 they studied 70 species of tree in brazil 7 they studied 2870 species in mexico 8 we will not know the true results for 50 years the correct sentences 1 25 of land animals and plants will become extinct during the next 50 years 2 more than 1 million plants and animals will become extinct by 2050 3 more than 10 of all plants and animals will become extinct 4 they studied that the half of the 24 species of butterflies will become extinct in australia 5 60 of the species in the kruger national park will die out 6 they studied 163 species of tree in brazil and 70 will become extinct 7 they studied 1870 species in mexico 8 we will not know the true results for 25 years 3 comprehension check choose the best answer 1 why are greenhouse gases dangerous a because people burn coal oil and gas b because they cause global warming c because they stop the heat of the sun reaching the earth 2 why is global warming bad for animals and plants a because many of them will become extinct of global warming continues b because it is too late to save many plants and animals c because some regions of the world have a very rich biology 3 why do animals in mountainous regions have a better chance of of survival a because they have to move long distances to get cooler b because they can more uphill to get cooler c because there are no deserts in mountainous regions aguilar camila y maiorana florencia 15

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