原版英语RAZ 教案I43-Slow and Slower (3).pdf

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1、www.readinga-Visit www.readinga- for thousands of books and materials.Written by Harriet RosenbloomSlow and SlowerA Reading AZ Level I Leveled BookWord Count:309Slow and SlowerLEVELED BOOK Iwww.readinga-Written by Harriet RosenbloomPhoto Credits:Front cover:Pete Oxford/Minden Pictures;back cover:Geo

2、ffrey Robinson/Rex USA;title page:Mark Conlin/Alamy;page 3:Franco Banfi/WaterFrame/age fotostock;pages 4,9(bottom right):Geoffrey Robinson/Rex USA;page 5:Michael Melford/National Geographic Stock;pages 6,9(center bottom right):Suzi Eszterhas/Minden Pictures;page 7:Tui De Roy/Minden Pictures;pages 8,

3、9(bottom left):Tom Vezo/Minden Pictures;page 9(top):iS Richard;page 9(center top left):Gerrybill/D;page 9(center top right):Joel Heras/Biosphoto/Minden Pictures;pages 9(center),13:Thomas Marent/Minden Pictures;page 9(center bottom left):Kenneth W.Fink/;page 9(stopwatch icon):iS Chalyuk;page 9(clock

4、icon):iS Khritin;page 10:Kelpfish/D;page 11:Howard Cheek/D;page 12:Nick Caloyianis/National Geographic Stock;page 14:Brian J.Skerry/National Geographic Stock;page 15:Michael&Patricia Fogden/Minden PicturesFront cover:A Galapagos TortoiseBack cover:Crowds wait for a winner at the World Snail Racing C

5、hampionships in Congham,Great Britain.Title page:A starfish crawls on a boys arm at a touch tank in Florida.Table of Contents:A greenland sharkCorrelationLEVEL II151616Fountas&PinnellReading RecoveryDRASlow and SlowerLevel I Leveled Book Learning AZWritten by Harriet RosenbloomAll rights reserved.ww

6、w.readinga-Slow and Slower34Table of ContentsSnail.4Starfish.5Three-toed Sloth.6Galapagos Tortoise.7Gila Monster.8Seahorse.10Swallowtail Butterfly.11Greenland Shark.12Slow Loris.13Manatee.14Conclusion.15Glossary.16SnailThe animal world has some very slow animals in it.One of the very slowest is the

7、snail.Even the fastest snails are pretty slow.In 1995,Archie the snail took two minutes and twenty seconds to crawl 13 inches(33 cm).These racing snails have numbers stuck to their backs to make them easier to tell apart.Slow and Slower Level I34Table of ContentsSnail.4Starfish.5Three-toed Sloth.6Ga

8、lapagos Tortoise.7Gila Monster.8Seahorse.10Swallowtail Butterfly.11Greenland Shark.12Slow Loris.13Manatee.14Conclusion.15Glossary.16SnailThe animal world has some very slow animals in it.One of the very slowest is the snail.Even the fastest snails are pretty slow.In 1995,Archie the snail took two mi

9、nutes and twenty seconds to crawl 13 inches(33 cm).These racing snails have numbers stuck to their backs to make them easier to tell apart.Slow and Slower Level I56StarfishSnails arent the only slow animals.Starfish dont seem to move at all.At top speed,they just creep along.A starfish needs four mi

10、nutes to move the length of a mans arm.Three-toed SlothThe three-toed sloth hangs around in trees most of the time.Because it seldom moves,little plants often grow on its fur.A sloth needs about three minutes to crawl the length of two cars.PACIFIC OCEANATLANTIC OCEANSouth AmericaThree-toed Sloth Ra

11、ngeThe many varieties of starfish,or sea stars,live in oceans around the world.Slow and Slower Level I56StarfishSnails arent the only slow animals.Starfish dont seem to move at all.At top speed,they just creep along.A starfish needs four minutes to move the length of a mans arm.Three-toed SlothThe t

12、hree-toed sloth hangs around in trees most of the time.Because it seldom moves,little plants often grow on its fur.A sloth needs about three minutes to crawl the length of two cars.PACIFIC OCEANATLANTIC OCEANSouth AmericaThree-toed Sloth RangeThe many varieties of starfish,or sea stars,live in ocean

13、s around the world.Slow and Slower Level I78Galapagos TortoiseHumans can walk about eighteentimes faster than this giant tortoise.The Galapagos tortoise isnt fast but it does live a long time.A tortoise can live 150 years or more.United StatesPACIFIC OCEANMexicoGila Monster RangeAZNMCANVUTGila Monst

14、erThe desert gila(HEE-luh)monster is about as slow as the Galapagos tortoise.It tries to avoid humans and other animals.If scared,it will hiss loudly then bite quickly.North AmericaGalapagos IslandsPACIFIC OCEANATLANTIC OCEANSouth AmericaSlow and Slower Level I78Galapagos TortoiseHumans can walk abo

15、ut eighteentimes faster than this giant tortoise.The Galapagos tortoise isnt fast but it does live a long time.A tortoise can live 150 years or more.United StatesPACIFIC OCEANMexicoGila Monster RangeAZNMCANVUTGila MonsterThe desert gila(HEE-luh)monster is about as slow as the Galapagos tortoise.It t

16、ries to avoid humans and other animals.If scared,it will hiss loudly then bite quickly.North AmericaGalapagos IslandsPACIFIC OCEANATLANTIC OCEANSouth AmericaSlow and Slower Level I910SeahorseThe boney little seahorse has four small fins but it cant swim fast.It cant escape an enemyso it hides.It wra

17、ps its tail around a branch to look like its a part of the plant.How Long Would It Take Each Animal to Travel the Length of a School Bus?Slow Loris 25 secondsSwallowtail butterfly 8 seconds Woodcock 6 seconds Slow.Three-toed Sloth 3 minutes,15 secondsTortoise 3 minutes Snail 45 minutesGila Monster 3

18、 minutes,15 seconds.and SlowerSeahorses are found in shallow,warm areas of the ocean that have lots of plants.Slow and Slower Level I910SeahorseThe boney little seahorse has four small fins but it cant swim fast.It cant escape an enemyso it hides.It wraps its tail around a branch to look like its a

19、part of the plant.How Long Would It Take Each Animal to Travel the Length of a School Bus?Slow Loris 25 secondsSwallowtail butterfly 8 seconds Woodcock 6 seconds Slow.Three-toed Sloth 3 minutes,15 secondsTortoise 3 minutes Snail 45 minutesGila Monster 3 minutes,15 seconds.and SlowerSeahorses are fou

20、nd in shallow,warm areas of the ocean that have lots of plants.Slow and Slower Level I1112Greenland SharkWe think of sharks as fast hunters.However,the Greenland shark is the slowest fish in the ocean.It lives in very cold water so it must use its energy to stay warm.The Greenland shark is so slow t

21、hat it looks for sleeping seals and dead whales to eat.The giant yellow and black swallowtail is the largest butterfly in North America.Swallowtail ButterflyThe large swallowtail butterfly flaps its big wings very slowly.It flaps,glides,then flaps again.It only flaps its wings about 300 times a minu

22、te.A swallowtail flies about twice as fast as a six-year-old child can walk.North AmericaGreenlandGreenland Shark RangeATLANTIC OCEANEuropeUnited StatesCanadaMexicoATLANTIC OCEANPACIFIC OCEANSwallowtail Butterfly RangeSlow and Slower Level I1112Greenland SharkWe think of sharks as fast hunters.Howev

23、er,the Greenland shark is the slowest fish in the ocean.It lives in very cold water so it must use its energy to stay warm.The Greenland shark is so slow that it looks for sleeping seals and dead whales to eat.The giant yellow and black swallowtail is the largest butterfly in North America.Swallowta

24、il ButterflyThe large swallowtail butterfly flaps its big wings very slowly.It flaps,glides,then flaps again.It only flaps its wings about 300 times a minute.A swallowtail flies about twice as fast as a six-year-old child can walk.North AmericaGreenlandGreenland Shark RangeATLANTIC OCEANEuropeUnited

25、 StatesCanadaMexicoATLANTIC OCEANPACIFIC OCEANSwallowtail Butterfly RangeSlow and Slower Level I1314Slow LorisThe loris is a careful little animal with big eyes.It sneaks up on its food at night.The sneaky loris moves so slowly through tree branches that it doesnt make a sound.ManateeManatees are la

26、rge,gentle ocean mammals that just float around.Sometimes they are called“sea cows.”They like to take their time and munch on sea grass.In an hour of munching and floating,a manatee can go about three miles.There are four types of Manatees living in coastal waters around the world,and all are endang

27、ered.The endangered slow loris lives in rainforest areas of Southeast Asia.It usually sleeps during the day and hunts at night.IndonesiaPhilippinesAsiaPACIFIC OCEANINDIAN OCEANSlow Loris RangeSlow and Slower Level I1314Slow LorisThe loris is a careful little animal with big eyes.It sneaks up on its

28、food at night.The sneaky loris moves so slowly through tree branches that it doesnt make a sound.ManateeManatees are large,gentle ocean mammals that just float around.Sometimes they are called“sea cows.”They like to take their time and munch on sea grass.In an hour of munching and floating,a manatee

29、 can go about three miles.There are four types of Manatees living in coastal waters around the world,and all are endangered.The endangered slow loris lives in rainforest areas of Southeast Asia.It usually sleeps during the day and hunts at night.IndonesiaPhilippinesAsiaPACIFIC OCEANINDIAN OCEANSlow

30、Loris RangeSlow and Slower Level I1516ConclusionSome of these animals can speed up when they need to.Some of them are just trying to save their energy.Sometimes they need that energy to heat their bodies.Sometimes what they eat doesnt give them much energy to begin with.Its true that slow animals do

31、nt win many races.Still,they have found a way to live that works for them.Glossaryavoid(v.)to keep away from someone or something (p.8)creep(v.)to move slowly,often close to the ground,especially to avoid being noticed(p.5)energy(n.)the power to do work,make a change,or move objects(p.12)mammals(n.)

32、warm-blooded animals with a backbone and hair or fur that nurse their young and have babies that are born live(p.14)seldom(adv.)not often(p.6)sneaks(v.)moves while trying not to be noticed(p.13)A three-toed sloth holds her baby as she hangs from a branch.Slow and Slower Level I1516ConclusionSome of

33、these animals can speed up when they need to.Some of them are just trying to save their energy.Sometimes they need that energy to heat their bodies.Sometimes what they eat doesnt give them much energy to begin with.Its true that slow animals dont win many races.Still,they have found a way to live th

34、at works for them.Glossaryavoid(v.)to keep away from someone or something (p.8)creep(v.)to move slowly,often close to the ground,especially to avoid being noticed(p.5)energy(n.)the power to do work,make a change,or move objects(p.12)mammals(n.)warm-blooded animals with a backbone and hair or fur tha

35、t nurse their young and have babies that are born live(p.14)seldom(adv.)not often(p.6)sneaks(v.)moves while trying not to be noticed(p.13)A three-toed sloth holds her baby as she hangs from a branch.Slow and Slower Level Iwww.readinga-Written by Harriet RosenbloomPhoto Credits:Front cover:Pete Oxfor

36、d/Minden Pictures;back cover:Geoffrey Robinson/Rex USA;title page:Mark Conlin/Alamy;page 3:Franco Banfi/WaterFrame/age fotostock;pages 4,9(bottom right):Geoffrey Robinson/Rex USA;page 5:Michael Melford/National Geographic Stock;pages 6,9(center bottom right):Suzi Eszterhas/Minden Pictures;page 7:Tui

37、 De Roy/Minden Pictures;pages 8,9(bottom left):Tom Vezo/Minden Pictures;page 9(top):iS Richard;page 9(center top left):Gerrybill/D;page 9(center top right):Joel Heras/Biosphoto/Minden Pictures;pages 9(center),13:Thomas Marent/Minden Pictures;page 9(center bottom left):Kenneth W.Fink/;page 9(stopwatc

38、h icon):iS Chalyuk;page 9(clock icon):iS Khritin;page 10:Kelpfish/D;page 11:Howard Cheek/D;page 12:Nick Caloyianis/National Geographic Stock;page 14:Brian J.Skerry/National Geographic Stock;page 15:Michael&Patricia Fogden/Minden PicturesFront cover:A Galapagos TortoiseBack cover:Crowds wait for a wi

39、nner at the World Snail Racing Championships in Congham,Great Britain.Title page:A starfish crawls on a boys arm at a touch tank in Florida.Table of Contents:A greenland sharkCorrelationLEVEL II151616Fountas&PinnellReading RecoveryDRASlow and SlowerLevel I Leveled Book Learning AZWritten by Harriet RosenbloomAll rights reserved.www.readinga-Slow and Slowerwww.readinga-Visit www.readinga- for thousands of books and materials.Written by Harriet RosenbloomSlow and SlowerA Reading AZ Level I Leveled BookWord Count:309Slow and SlowerLEVELED BOOK IGrade 1 Book 43