原版英语RAZ 教案Giant Insects_DS.pdf

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1、www.readinga-Giant InsectsGiant InsectsA Reading AZ Level V Leveled BookWord Count:2,167Visit www.readinga- for thousands of books and materials.Written by Mary ReinaLEVELED BOOK VWritten by Mary ReinaGiant InsectsGiant InsectsLevel V Leveled Book Learning AZWritten by Mary ReinaAll rights reserved.

2、www.readinga-CorrelationLEVEL VR4040Fountas&PinnellReading RecoveryDRAPhoto Credits:Front cover:Patrick Landmann/Photo Researchers,Inc.;back cover:Theodore Liasi/Alamy;title page:Gerry Ellis/Minden Pictures/National Geographic Stock;page 4:Juliet Photography/123RF;page 5:Jon Baldur Hlidberg/Minden P

3、ictures;page 6:iS Johnson,page 7(both):Pierre Deviche;pages 8,9(top),22:The Natural History Museum/The Image Works;page 9(bottom):The Natural History Museum/Alamy;page 11(top):John Mitchell/Photo Researchers,Inc.;page 11(bottom):Mcpics/D;pages 13(top),17(bottom):Papilio/Alamy;page 13(center):Mirosla

4、v Hlavko/D;page 13(bottom):Juniors Bildarchiv/Alamy;pages 14-15:Sinclair Stammers/Photo Researchers,Inc.;page 14(inset):DK Images;page 15(top):Redmond O.Durrell/Alamy;page 16:Theo Fitzhugh/Alamy;page 17(top):Anthony Aneese Totah Jr./D;pages 18,19(bottom):Louise Murray/Alamy;pages 19(top),23(bottom r

5、ight):Mark Moffett/Minden Pictures/National Geographic Stock;page 21(top):DEEPU SG/Alamy;page 21(inset):Colin Keates/Dorling Kindersley,Courtesy of the Natural History Museum,London;page 21(bottom):iS Ming Wong;page 23(top left):George Grall/National Geographic Stock;page 23(top right):WILDLIFE GmbH

6、/Alamy;page 23(bottom left):Kazuo Unno/Minden PicturesFront cover:titan beetleBack cover:atlas mothTitle page:stick insectwww.readinga-2324Glossaryadapted(v.)changed to fit a new or specific situation or environment(p.5)canopy(n.)the part of a forest where the tops of trees form a dense layer of fol

7、iage (p.20)colonies(n.)groups of animals that live together(p.14)evolved(v.)changed or developed over time (p.5)fossil(n.)the remains of a plant or animal that turned to stone over time(p.4)mandibles(n.)body parts near an insects mouth that are used for grabbing,cutting,or crushing food or enemies(p

8、.8)nocturnal(adj.)active at night rather than during the day(p.8)safari(n.)a journey to search for animals in the wild(p.5)species(n.)a group of living things that are physically similar and can reproduce(p.4)swarm(v.)to move in great numbers(p.14)titans(n.)very large or powerful individuals;giants(

9、p.4)wingspan(n.)the distance from tip to tip of a pair of wings(p.5)As you leave the museum,you begin to wonder how many new species of insects you passed during your travels.They might be heavier than a goliath beetle,stronger than a titan beetle,or more dangerous than a colony of driver ants.The o

10、nly way to know is to keep learning,keep exploringand keep your eyes open.three-horned beetlegiant katydid with wings flaredgiant stag beetlehickory horn devil caterpillarGiant Insects Level VWritten by Mary ReinaGiant InsectsGiant InsectsLevel V Leveled Book Learning AZWritten by Mary ReinaAll righ

11、ts reserved.www.readinga-CorrelationLEVEL VR4040Fountas&PinnellReading RecoveryDRAPhoto Credits:Front cover:Patrick Landmann/Photo Researchers,Inc.;back cover:Theodore Liasi/Alamy;title page:Gerry Ellis/Minden Pictures/National Geographic Stock;page 4:Juliet Photography/123RF;page 5:Jon Baldur Hlidb

12、erg/Minden Pictures;page 6:iS Johnson,page 7(both):Pierre Deviche;pages 8,9(top),22:The Natural History Museum/The Image Works;page 9(bottom):The Natural History Museum/Alamy;page 11(top):John Mitchell/Photo Researchers,Inc.;page 11(bottom):Mcpics/D;pages 13(top),17(bottom):Papilio/Alamy;page 13(cen

13、ter):Miroslav Hlavko/D;page 13(bottom):Juniors Bildarchiv/Alamy;pages 14-15:Sinclair Stammers/Photo Researchers,Inc.;page 14(inset):DK Images;page 15(top):Redmond O.Durrell/Alamy;page 16:Theo Fitzhugh/Alamy;page 17(top):Anthony Aneese Totah Jr./D;pages 18,19(bottom):Louise Murray/Alamy;pages 19(top)

14、,23(bottom right):Mark Moffett/Minden Pictures/National Geographic Stock;page 21(top):DEEPU SG/Alamy;page 21(inset):Colin Keates/Dorling Kindersley,Courtesy of the Natural History Museum,London;page 21(bottom):iS Ming Wong;page 23(top left):George Grall/National Geographic Stock;page 23(top right):W

15、ILDLIFE GmbH/Alamy;page 23(bottom left):Kazuo Unno/Minden PicturesFront cover:titan beetleBack cover:atlas mothTitle page:stick insectwww.readinga-2324Glossaryadapted(v.)changed to fit a new or specific situation or environment(p.5)canopy(n.)the part of a forest where the tops of trees form a dense

16、layer of foliage (p.20)colonies(n.)groups of animals that live together(p.14)evolved(v.)changed or developed over time (p.5)fossil(n.)the remains of a plant or animal that turned to stone over time(p.4)mandibles(n.)body parts near an insects mouth that are used for grabbing,cutting,or crushing food

17、or enemies(p.8)nocturnal(adj.)active at night rather than during the day(p.8)safari(n.)a journey to search for animals in the wild(p.5)species(n.)a group of living things that are physically similar and can reproduce(p.4)swarm(v.)to move in great numbers(p.14)titans(n.)very large or powerful individ

18、uals;giants(p.4)wingspan(n.)the distance from tip to tip of a pair of wings(p.5)As you leave the museum,you begin to wonder how many new species of insects you passed during your travels.They might be heavier than a goliath beetle,stronger than a titan beetle,or more dangerous than a colony of drive

19、r ants.The only way to know is to keep learning,keep exploringand keep your eyes open.three-horned beetlegiant katydid with wings flaredgiant stag beetlehickory horn devil caterpillarGiant Insects Level V2122Chans Megastick:The Hidden WonderYour final stop brings you to the London Natural History Mu

20、seum.You have come to view the worlds longest insect:Chans megastick.One of only six found in the world so far(all of them in Borneo),this one is the longest.The whole insect,with its legs extended,stretches 22 inches(55.9 cm)under the glass.The body alone is 14 inches(35.6 cm)long.It really does lo

21、ok like a plain old stick,which might explain why scientists didnt discover it until 2008.Like other stick insects,this species is believed to hide within the forest canopy while it feeds on leaves.male Queen Alexandras birdwing butterflyatlas mothChans megastick11 inches(27.9 cm)8 inches(20.3 cm)14

22、 inches(35.6 cm)22 inches(55.9 cm)AustraliaPapua New GuineaNNNSoutheast AsiaBorneoAustraliaWhere they liveWhere they liveWhere they liveGiant Insects Level V34Table of ContentsInsects Are Everywhere!.4Giant Darner Dragonfly:The Speed Demon.6Titan Beetle:The Pencil Breaker.8Giant Water Bug:The Toe Bi

23、ter.10Goliath Beetle:The Heavyweight.12African Driver Ant:The Ultimate Army.14Madagascar Hissing Cockroach:The Noisy Pet.16Wetapunga:The God of Ugly Things.18Queen Alexandras Birdwing Butterfly and Atlas Moth.20Chans Megastick:The Hidden Wonder.22Glossary.24Insects Are Everywhere!Every time you step

24、 outside your door,you marvel at the idea that you probably look right past hundredseven thousandsof insects.You know that scientists estimate that there are around ten quintillion(10,000,000,000,000,000,000)insects alive on Earth at any given time.So far,scientists have identified over 900,000 diff

25、erent insect speciesabout 80 percent of all the worlds species of animals.They think that two to thirty million more species remain undiscovered or unidentified.When you think about this,youre glad most insects are small.You know this wasnt always the case,though.Hundreds of millions of years ago,be

26、fore dinosaurs walked on Earth,insects were already buzzing around.Using fossil evidence,you know that these insects were similar to modern insectsthey each had three body sections,six legs,and often two sets of wings.They were a bit different in other ways,thoughthese guys were titans!Giant Insects

27、 Level V34Table of ContentsInsects Are Everywhere!.4Giant Darner Dragonfly:The Speed Demon.6Titan Beetle:The Pencil Breaker.8Giant Water Bug:The Toe Biter.10Goliath Beetle:The Heavyweight.12African Driver Ant:The Ultimate Army.14Madagascar Hissing Cockroach:The Noisy Pet.16Wetapunga:The God of Ugly

28、Things.18Queen Alexandras Birdwing Butterfly and Atlas Moth.20Chans Megastick:The Hidden Wonder.22Glossary.24Insects Are Everywhere!Every time you step outside your door,you marvel at the idea that you probably look right past hundredseven thousandsof insects.You know that scientists estimate that t

29、here are around ten quintillion(10,000,000,000,000,000,000)insects alive on Earth at any given time.So far,scientists have identified over 900,000 different insect speciesabout 80 percent of all the worlds species of animals.They think that two to thirty million more species remain undiscovered or u

30、nidentified.When you think about this,youre glad most insects are small.You know this wasnt always the case,though.Hundreds of millions of years ago,before dinosaurs walked on Earth,insects were already buzzing around.Using fossil evidence,you know that these insects were similar to modern insectsth

31、ey each had three body sections,six legs,and often two sets of wings.They were a bit different in other ways,thoughthese guys were titans!Giant Insects Level V2122Chans Megastick:The Hidden WonderYour final stop brings you to the London Natural History Museum.You have come to view the worlds longest

32、 insect:Chans megastick.One of only six found in the world so far(all of them in Borneo),this one is the longest.The whole insect,with its legs extended,stretches 22 inches(55.9 cm)under the glass.The body alone is 14 inches(35.6 cm)long.It really does look like a plain old stick,which might explain

33、 why scientists didnt discover it until 2008.Like other stick insects,this species is believed to hide within the forest canopy while it feeds on leaves.male Queen Alexandras birdwing butterflyatlas mothChans megastick11 inches(27.9 cm)8 inches(20.3 cm)14 inches(35.6 cm)22 inches(55.9 cm)AustraliaPa

34、pua New GuineaNNNSoutheast AsiaBorneoAustraliaWhere they liveWhere they liveWhere they liveGiant Insects Level V1920Queen Alexandras Birdwing Butterfly and Atlas MothIn a rope chair high above the ground,you look around at the forest canopy of Papua New Guinea.Lush green surrounds you for miles.Then

35、 you see a flash of blue rise up.Its a male Queen Alexandras birdwing butterfly,flapping its shimmering blue-green and brown wings,which span almost 8 inches(20.3 cm).You look around for a female,which would be larger,with a 12-inch(30.5 cm)wingspan of a lighter shade of brown,but dont find one.Othe

36、r than in zoos,this rare species can only be found in the wild in Papua New Guineaand only in the forest canopy.You watch in awe as the male feeds on a flower and flutters away.On your way down,something else catches your eye.You stop and pull yourself closer to a branch where an atlas moth sits,its

37、 wingspan 11 inches(27.9 cm)wide.The hooks on the ends of its wings remind you of this moths other name:the snake head moth.Unlike the Queen Alexandras butterfly,which lives up to three months or more and feeds regularly,the atlas moth lives only a few weeks and never feeds.Youve seen this species b

38、efore,as its fairly common throughout Southeast Asia,but its still an impressive sight.female giant wetapunga4 inches(10.5 cm)NAustraliaNew ZealandLittle Barrier IslandWhere they liveGiant Insects Level V56Giant Darner Dragonfly:The Speed DemonYour journey starts by a slow-running stream in the sout

39、hwestern United States where you can hear the buzzing of a giant darner dragonfly.It uses its 5-inch(12.7 cm)wingspan to zip through the warm air at speeds of over 35 miles per hour(56.3 kph).These insects are so good at turning that they can completely shift direction in a split second,which is whe

40、n you catch a glimpse of one.This insects speed and ability to move come in handy as it hunts mosquitoes and other small insects.The dragonfly lands on your arm,but you have nothing to worry about.The giant darner dragonfly is harmless.You look at it just long enough to see the shimmering wings and

41、black,blue,and green 5-inch(12.7 cm)body before it takes off again.As you walk through the tall grass on your way to your next destination,you see flashes of other dragonfliesgiant darners and their smaller cousinsand wish them good hunting.The prehistoric Meganeura looked like a dragonfly but had a

42、 wingspan of well over 30 inches(72.2 cm).Youve learned that scientists believe insects grew so huge partly because back then,Earth had a higher amount of oxygen in the air.Over hundreds of millions of years,as the amount of oxygen decreased from about 35 percent to todays 21 percent,the insects ada

43、pted,evolved,and became smaller.A few insects,however,have remained the giants of their world.These are the beasts youve really wanted to studyand you finally have your chance.You feel your excitement building because this time when you walk outside your door,youll be taking your first step on a gia

44、nt insect safari.Youll pass by billions of smaller insects on your hunt around the globe for these massive monsters.Youll finally have the chance to see them with your own eyes and find out if everything youve learned is really true.Prepare your pack,because youre about to head out.This drawing show

45、s what a Meganeura might have looked like.Giant darner dragonflies live near streams like this one in the southwestern United States.Giant Insects Level V56Giant Darner Dragonfly:The Speed DemonYour journey starts by a slow-running stream in the southwestern United States where you can hear the buzz

46、ing of a giant darner dragonfly.It uses its 5-inch(12.7 cm)wingspan to zip through the warm air at speeds of over 35 miles per hour(56.3 kph).These insects are so good at turning that they can completely shift direction in a split second,which is when you catch a glimpse of one.This insects speed an

47、d ability to move come in handy as it hunts mosquitoes and other small insects.The dragonfly lands on your arm,but you have nothing to worry about.The giant darner dragonfly is harmless.You look at it just long enough to see the shimmering wings and black,blue,and green 5-inch(12.7 cm)body before it

48、 takes off again.As you walk through the tall grass on your way to your next destination,you see flashes of other dragonfliesgiant darners and their smaller cousinsand wish them good hunting.The prehistoric Meganeura looked like a dragonfly but had a wingspan of well over 30 inches(72.2 cm).Youve le

49、arned that scientists believe insects grew so huge partly because back then,Earth had a higher amount of oxygen in the air.Over hundreds of millions of years,as the amount of oxygen decreased from about 35 percent to todays 21 percent,the insects adapted,evolved,and became smaller.A few insects,howe

50、ver,have remained the giants of their world.These are the beasts youve really wanted to studyand you finally have your chance.You feel your excitement building because this time when you walk outside your door,youll be taking your first step on a giant insect safari.Youll pass by billions of smaller