资源回收利用课件

Thislessonisallaboutthepurposeorreasonforrecycling回收.

Itsallaboutwaysinwhichwecanusenaturalresources/materialsagainandagain.

It’saboutthemanyproductswhicharefoundontheearthsomeofwhichonceusedwillneverreturn.

Thislessonisallaboutthep1

Question?

Whendidwefirststarttorecycle?

Question?

Whendidwefirsts2

3Recyclinghasbeenacommonpracticeforabout2500years.

Itbecamemuchmoremodernizedinthe19thand20thcenturies

Recyclinghasbeenacommonpr4

Inthe21stcenturyithasnowbecomeawayoflifeallovertheworldincludingmanydevelopingcountries

Didyouknowthat:

Theworldisfulloftwomainproductswhichareformedeithernaturallyoraremanmade.

Whatarethey?

Inthe21stcenturyithasno5

Renewable可更新的suchas:Glassmetal(steel)paper,plastic

Renewable可更新的suchas:Glass6andnonrenewable不可更新

such:

Naturalgas,crudeoil原油coal

andnonrenewable不可更新

such:

7Exercise:

Trytogivemesome

definitions定义orexplanationsofrecycling:Exercise:

Trytogivemesome81)Usingnaturalormanmadeproductsagainandagain.

2)Turningoldproductsintonewones

3)Utilizing利用(using)

mainlyoldproductsfromtheearthwhichcanbeusedmanytimes.1)Usingnaturalormanmadepro9

4)Recyclingisaprocess(method)ofusingoldmaterials(waste)intonewproductstopreventwastingpotentially潜在地usefulmaterials.

5)Reducethecontinuedconsumption消费(using)

offreshorrawmaterials

新鲜的原料

4)Recyclingisaprocess(m10Exercise:

Givemereasonswhyweneedtorecycle?

Exercise:

Givemereasonswhy111)Increasingglobalpopulation.

2)Needformodernizationandtechnology.

3)Theneedtoproducemorefood.

4)Becauseofdeforestation森林开伐:cuttingdowntreesfor:

a)Timber/woodb)makinghouses,c)furnitured)papere)furniture,f)firewood/cooking.

5)Killinganimalsforfood,skins,oil,furs.

1)Increasingglobalpopulatio12

6)Topreserve(keep)whatisleftofthenaturalresourcesforgenerationstocome:forexample,Trees,plants,animals,forests,birds,freshwater,

7)Sothatwedon’tdestroytheplanetortheworldinwhichwelive.

8)Sothatwecanprotectournaturalhabitat自然栖息地

9)Sothatourchildrencanstillwalkintheforestsandseetheanimalsandplantlifein100to200yearstime.

6)Topreserve(keep)whatis13

10)Becausethereisaheavydemandforclothes,textiles,transportation,medicine,education,industry,exploration.

11)Becausetimeisrunningoutforhealthyliving.

12)Theworldisbecomingmuchmoremodernandfaster.

13)Becausewearedepleting消耗our

naturalresources.

14)Becauseweareburningfossilfuels化石燃料.

10)Becausethereisaheavy14Didyouknow:

From1900to2000mostormanyoftherawornaturalproductsthatweusedonadailybasisnolongerexistsorisingreatdangerofrunningoutuntilweurgentlydosomethingaboutit:

Thisisparticularaboutthenumber/quantityoftrees,animals,plantlifeandfreshwater.Didyouknow:

From1900to20015Exercise:

Pleasetrytonamesomeofthemanyproductsweuseintoday’sworld.Exercise:

Pleasetrytonames16

water

paper

wood

plastic

Gas

Coal

fabric(textiles)

stone

air/gases

electronics

water

paper

wood

plastic

Gas

17

Rubber橡胶(tires)

Leather

chemicals化学药品

Crudeoil

cookingornaturaloil

animals

Batteries(lithium锂/Duracell金霸王)

glass

Preciousorvaluablestonesormetals

Rubber橡胶(tires)

Leather

18Skins,bones,meatfromanimals.Skins,bones,meatfromanima19Exercise:

Canyounamesomeofthemetalswhichareusedintoday'sworld:Exercise:

Canyounamesomeof20

1)StainlessSteel不锈钢

2)Iron熨斗

3)Copper铜

4)Brass黄铜

5)Aluminium

6)Nickel镍

7)Uranium铀

8)Platinum白金

9)Gold

10)Silver

1)StainlessSteel不锈钢

2)Iron熨2111)Silver

12)Bronze青铜

13)Zinc锌

14)Magnesium镁

15)Titanium钛

16)Mercury水银,

17)Lead领头位置

11)Silver

12)Bronze青铜

13)Zi22Exercise:

nowgivemealistofnaturalormanmadeofAcids/Chemicalsweusetoday.

Exercise:

nowgivemealisto231)SulphuricAcid硫酸

2)Nitricacid硝酸

3)Hydrochloricacid盐酸

4)Ascorbicacid抗坏血酸

(vitaminC)

5)Aminoacids胺酸

(producedbythebody)

1)SulphuricAcid硫酸

2)Nitric24Exercise:

NowgivemealistofsomeofthegaseswhichareusedtodayExercise:

Nowgivemealisto251)Oxygen氧

2)Hydrogen氢(alsocanbe

liquidhydrogen液体氢

usedforrocketsandspaceships)

丙烷

3)Nitrogen

氮

4)Propane(usedforcookers)

5)Helium气体

1)Oxygen氧

2)Hydrogen氢(alsoc266)Acetylenegas乙炔气

(usedforwelding焊接法/fixingmetals)

6)Butanegas丁烷气

(usedforcigarettelightersandsmallercookers)6)Acetylenegas乙炔气

(usedfor27NowgivesalistofsomefuelswhichcomefromcrudeoilNowgivesalistofsomefuels28

1)Gasoline汽油(gas)/petrol

2)Benzene苯

3)Diesel柴油

4)Lubricatingoil润滑油

WD40.

5)Unleadedpetrol无铅汽油

1)Gasoline汽油(gas)/petrol

229Nowgivemealistofsomefabrics纤维织物(textiles).

Nowgivemealistofsomefab301)Cotton

2)Nylon尼龙

3)Polyester聚酯

4)Rayon人造丝

5)Wool

6)Leather

7)Syntheticleather合成皮带

8)Cashmere开士米

9)Fur

10)Corduroy灯芯绒

1)Cotton

2)Nylon尼龙

3)Polyes3111)Mink貂

12)Suede绒面革

11)Mink貂

12)Suede绒面革

32Canyounamesomecookingoilsorsaladoilsthatweuse:Canyounamesomecookingoils33

1)Sesameoil麻油,usedmainlyforcooking

2)Coconutoil椰子油

usedmainlyinbakingcakes

3)Cornoil玉米油forfrying

4)Oliveoil橄榄油usedmainlyforsalads

5)Cod-liveroil鱼肝油

(usedmainlywhenyouareill)

6)Sunfloweroil向日葵油forcooking

7)Soybeanoil豆油forsalads

1)Sesameoil麻油,usedmainly34

35Exercise:

Namesomeofthemostcommonproductsweuseinrecyclingtoday?Exercise:

Namesomeofthemos361)Paper

2)Metals

3)Plastic

4)Wood

5)Water

6)Chemicals

7)Batteries

8)Textiles1)Paper

2)Metals

3)Plastic

37Exercise:pleaselooktothenextppt.Exercise:pleaselooktothen38Thislessonisallaboutthepurposeorreasonforrecycling回收.

Itsallaboutwaysinwhichwecanusenaturalresources/materialsagainandagain.

It’saboutthemanyproductswhicharefoundontheearthsomeofwhichonceusedwillneverreturn.

Thislessonisallaboutthep39

Question?

Whendidwefirststarttorecycle?

Question?

Whendidwefirsts40

41Recyclinghasbeenacommonpracticeforabout2500years.

Itbecamemuchmoremodernizedinthe19thand20thcenturies

Recyclinghasbeenacommonpr42

Inthe21stcenturyithasnowbecomeawayoflifeallovertheworldincludingmanydevelopingcountries

Didyouknowthat:

Theworldisfulloftwomainproductswhichareformedeithernaturallyoraremanmade.

Whatarethey?

Inthe21stcenturyithasno43

Renewable可更新的suchas:Glassmetal(steel)paper,plastic

Renewable可更新的suchas:Glass44andnonrenewable不可更新

such:

Naturalgas,crudeoil原油coal

andnonrenewable不可更新

such:

45Exercise:

Trytogivemesome

definitions定义orexplanationsofrecycling:Exercise:

Trytogivemesome461)Usingnaturalormanmadeproductsagainandagain.

2)Turningoldproductsintonewones

3)Utilizing利用(using)

mainlyoldproductsfromtheearthwhichcanbeusedmanytimes.1)Usingnaturalormanmadepro47

4)Recyclingisaprocess(method)ofusingoldmaterials(waste)intonewproductstopreventwastingpotentially潜在地usefulmaterials.

5)Reducethecontinuedconsumption消费(using)

offreshorrawmaterials

新鲜的原料

4)Recyclingisaprocess(m48Exercise:

Givemereasonswhyweneedtorecycle?

Exercise:

Givemereasonswhy491)Increasingglobalpopulation.

2)Needformodernizationandtechnology.

3)Theneedtoproducemorefood.

4)Becauseofdeforestation森林开伐:cuttingdowntreesfor:

a)Timber/woodb)makinghouses,c)furnitured)papere)furniture,f)firewood/cooking.

5)Killinganimalsforfood,skins,oil,furs.

1)Increasingglobalpopulatio50

6)Topreserve(keep)whatisleftofthenaturalresourcesforgenerationstocome:forexample,Trees,plants,animals,forests,birds,freshwater,

7)Sothatwedon’tdestroytheplanetortheworldinwhichwelive.

8)Sothatwecanprotectournaturalhabitat自然栖息地

9)Sothatourchildrencanstillwalkintheforestsandseetheanimalsandplantlifein100to200yearstime.

6)Topreserve(keep)whatis51

10)Becausethereisaheavydemandforclothes,textiles,transportation,medicine,education,industry,exploration.

11)Becausetimeisrunningoutforhealthyliving.

12)Theworldisbecomingmuchmoremodernandfaster.

13)Becausewearedepleting消耗our

naturalresources.

14)Becauseweareburningfossilfuels化石燃料.

10)Becausethereisaheavy52Didyouknow:

From1900to2000mostormanyoftherawornaturalproductsthatweusedonadailybasisnolongerexistsorisingreatdangerofrunningoutuntilweurgentlydosomethingaboutit:

Thisisparticularaboutthenumber/quantityoftrees,animals,plantlifeandfreshwater.Didyouknow:

From1900to20053Exercise:

Pleasetrytonamesomeofthemanyproductsweuseintoday’sworld.Exercise:

Pleasetrytonames54

water

paper

wood

plastic

Gas

Coal

fabric(textiles)

stone

air/gases

electronics

water

paper

wood

plastic

Gas

55

Rubber橡胶(tires)

Leather

chemicals化学药品

Crudeoil

cookingornaturaloil

animals

Batteries(lithium锂/Duracell金霸王)

glass

Preciousorvaluablestonesormetals

Rubber橡胶(tires)

Leather

56Skins,bones,meatfromanimals.Skins,bones,meatfromanima57Exercise:

Canyounamesomeofthemetalswhichareusedintoday'sworld:Exercise:

Canyounamesomeof58

1)StainlessSteel不锈钢

2)Iron熨斗

3)Copper铜

4)Brass黄铜

5)Aluminium

6)Nickel镍

7)Uranium铀

8)Platinum白金

9)Gold

10)Silver

1)StainlessSteel不锈钢

2)Iron熨5911)Silver

12)Bronze青铜

13)Zinc锌

14)Magnesium镁

15)Titanium钛

16)Mercury水银,

17)Lead领头位置

11)Silver

12)Bronze青铜

13)Zi60Exercise:

nowgivemealistofnaturalormanmadeofAcids/Chemicalsweusetoday.

Exercise:

nowgivemealisto611)SulphuricAcid硫酸

2)Nitricacid硝酸

3)Hydrochloricacid盐酸

4)Ascorbicacid抗坏血酸

(vitaminC)

5)Aminoacids胺酸

(producedbythebody)

1)SulphuricAcid硫酸

2)Nitric62Exercise:

NowgivemealistofsomeofthegaseswhichareusedtodayExercise:

Nowgivemealisto631)Oxygen氧

2)Hydrogen氢(alsocanbe

liquidhydrogen液体氢

usedforrocketsandspaceships)

丙烷

3)Nitrogen

氮

4)Propane(usedforcookers)

5)Helium气体

1)Oxygen氧

2)Hydrogen氢(alsoc646)Acetylenegas乙炔气

(usedforwelding焊接法/fixingmetals)

6)Butanegas丁烷气

(usedforcigarettelightersandsmallercookers)6)Acetylenegas乙炔气

(usedfor65Nowgivesalistofsomefuelswhichcomefromcr