原版英语RAZ 教案L23-Deep in the Ocean (3).pdf

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1、www.readinga-Deep in the OceanDeep in the OceanA Reading AZ Level L Leveled BookWord Count:450Visit www.readinga- for thousands of books and materials.Written by Natalie RompellaLEVELED BOOK LWritten by Natalie RompellaDeep in the OceanDeep in the OceanLevel L Leveled Book Learning AZWritten by Nata

2、lie RompellaAll rights reserved.www.readinga-Photo Credits:Front cover:Norbert Wu/Minden Pictures;back cover:A.Ifremer Fifis/AP Images;title page,page 3:Norbert Wu/Minden Pictures/National Geographic Stock;page 4:Image courtesy of the Monteray Bay Aquarium Research Institute 2005 MBARI;page 5(main):

3、David Nunuk/All Canada Photos/Corbis;page 5(inset):John Lund/Sam Diephuis/Blend Images/Corbis;page 7(top):iS 7(center top):Caan2gobelow/D;page 7(center bottom):U.S.Navy photo by Chief Petty Officer Dave Fliesen;page 7(bottom):Jeffrey L.Rotman/Peter Arnold Images/PhotoLibrary;page 8(main):Stephen Fri

4、nk/Corbis;page 8(inset):Paul A.Souders/Corbis;page 9(main):Photoshot Holdings Ltd/Alamy;page 9(inset):Science Source/Photo Researchers,Inc.;page 10:Chris Newbert/Minden Pictures;page 11:Fred Bavendam/Minden Pictures;page 12:Emory Kristof/National Geographic Stock;page 13:Dr.Julian Gutt/PA Photos/Lan

5、dov;page 14(main):David Shale/NaturePL/Minden Pictures;page 14(inset):Dante Fenolio/Photo Researchers,Inc.;page 15:Innerhand/DFront cover:The deep ocean fangfish has a bony,hard body.This strong body works like a shell to help protect it from both the freezing temperatures and heavy water pressure f

6、ound at depths of about 4,876 meters(16,000 ft).Back cover:The blind,hairy-legged yeti crab is a new species.It was discovered near Easter Island,off the coast of Chile,in South America.The yeti crab lives in total darkness at depths of about 2.25 kilometres(1.4 mi).Title page:The tunicate attaches

7、itself to the walls of deep ocean canyons.It waits for small sea life to swim past its wide-open mouth.Page 3:The deep ocean anglerfish uses the bright end of a spine like a fishing pole to attract prey.www.readinga-CorrelationLEVEL LK1820Fountas&PinnellReading RecoveryDRA34Table of Contents Deep Un

8、derwater .4Diving Deep in the Ocean .7Oceanographers .8Using Satellites for Tracking .9Counting the Sea Animals .10The Census of Marine Life.11Living in Hot and Cold Water.12What Did We Learn?.14Glossary .16Deep Underwater Imagine a trip to the deepest part of the ocean.What would you expect to see?

9、Would it be dark or light?Would it be warm or cold?Would you find strange new animals and plants?The small,deep-ocean sea pig roams the ocean floor,often in herds,eating tiny sea animals and microbes that live in the mud.Deep in the Ocean Level L34Table of Contents Deep Underwater .4Diving Deep in t

10、he Ocean .7Oceanographers .8Using Satellites for Tracking .9Counting the Sea Animals .10The Census of Marine Life.11Living in Hot and Cold Water.12What Did We Learn?.14Glossary .16Deep Underwater Imagine a trip to the deepest part of the ocean.What would you expect to see?Would it be dark or light?W

11、ould it be warm or cold?Would you find strange new animals and plants?The small,deep-ocean sea pig roams the ocean floor,often in herds,eating tiny sea animals and microbes that live in the mud.Deep in the Ocean Level L56Sunlight warms the surface,or shallow,parts of the ocean.Plants and animals tha

12、t need sunlight and warm water live there.Deep in the ocean,other animals live in water that is cold and dark.Ocean ZonesSunlit ZoneTwilight ZoneDeep Ocean200 m(656 ft)starfish,dolphin,tiger shark1,000 m to 4,000 m(3,281 ft 13,124 ft)gulper-eel,viperfish,deep sea skate200 m to 1,000 m(656 ft 3,281 f

13、t)elephant-seal,sperm whaleThe warm,shallow waters of tide pools are home to species of starfish,anemones,mussels,and tiny crabs.Deep in the Ocean Level L56Sunlight warms the surface,or shallow,parts of the ocean.Plants and animals that need sunlight and warm water live there.Deep in the ocean,other

14、 animals live in water that is cold and dark.Ocean ZonesSunlit ZoneTwilight ZoneDeep Ocean200 m(656 ft)starfish,dolphin,tiger shark1,000 m to 4,000 m(3,281 ft 13,124 ft)gulper-eel,viperfish,deep sea skate200 m to 1,000 m(656 ft 3,281 ft)elephant-seal,sperm whaleThe warm,shallow waters of tide pools

15、are home to species of starfish,anemones,mussels,and tiny crabs.Deep in the Ocean Level L78Diving Deep in the OceanThe deep ocean is freezing cold.The weight,or water pressure,of very deep water can harm you.Sport divers wear air tanks for safety.Deep divers wear a special diving suit.Scientists rid

16、e in a small submarine called a submersible.OceanographersScientists who study the ocean are called oceanographers(oh-shuh-NOG-ruh-furs).They often live for months on a ship.Some study what a sea animal eats and where it lives.609m(2,000 ft)4.57C (4045F)6,096m(20,000 ft)02C (3235F)In feet 01,0002,00

17、03,0004,0005,0006,0007,0008,0009,00010,00011,00012,00013,00014,00015,00016,00017,00018,00019,00020,00021,00015m(49 ft)1321C(5570F)39m(128 ft)713C(4555F)submersible craftdiving suitsport diverswimmerDeep in the Ocean Level L78Diving Deep in the OceanThe deep ocean is freezing cold.The weight,or water

18、 pressure,of very deep water can harm you.Sport divers wear air tanks for safety.Deep divers wear a special diving suit.Scientists ride in a small submarine called a submersible.OceanographersScientists who study the ocean are called oceanographers(oh-shuh-NOG-ruh-furs).They often live for months on

19、 a ship.Some study what a sea animal eats and where it lives.609m(2,000 ft)4.57C (4045F)6,096m(20,000 ft)02C (3235F)In feet 01,0002,0003,0004,0005,0006,0007,0008,0009,00010,00011,00012,00013,00014,00015,00016,00017,00018,00019,00020,00021,00015m(49 ft)1321C(5570F)39m(128 ft)713C(4555F)submersible cr

20、aftdiving suitsport diverswimmerDeep in the Ocean Level L910Using Satellites for TrackingSatellites can help to track sea animals travels.Scientists tag some animals.A satellite can track the signal from the tag.The signal shows where the animal goes.Counting the Sea AnimalsWhat animals live in the

21、ocean?Where do they live?How many are there?Oceanographers studied and counted animals for ten years to find out.The surprising report is called the Census of Marine Life.Lionfish,or turkeyfish,swim among coral sea fans off the Solomon Islands.Their long,feathery spines can sting any predator that c

22、omes too close.Native to the South Pacific,lionfish were first spotted in United States waters in 2000.satellitetagDeep in the Ocean Level L910Using Satellites for TrackingSatellites can help to track sea animals travels.Scientists tag some animals.A satellite can track the signal from the tag.The s

23、ignal shows where the animal goes.Counting the Sea AnimalsWhat animals live in the ocean?Where do they live?How many are there?Oceanographers studied and counted animals for ten years to find out.The surprising report is called the Census of Marine Life.Lionfish,or turkeyfish,swim among coral sea fa

24、ns off the Solomon Islands.Their long,feathery spines can sting any predator that comes too close.Native to the South Pacific,lionfish were first spotted in United States waters in 2000.satellitetagDeep in the Ocean Level L1112The Census of Marine Life The first surprise was where things lived:every

25、where!Marine species lived in the hottest and coldest places.Some species lived in deep places without light or oxygen.Living in Hot and Cold WaterThe very cold Deep Ocean Zone has hot volcanoes in it.The water temperature at a volcano can be 400C(752F).Some species of shrimp,crabs,worms,and bacteri

26、a live in this very hot water.The leafy sea dragon blends in with the plants of its surroundings.Its eyes move independently of each other so it can look in two directions at once.The male sea dragon carries the eggs for the female and gives birth.Over 2 kilometers(1.3 mi)deep in the ocean,giant tub

27、e worms live in the hot water that bubbles up from a lava pillar.Deep in the Ocean Level L1112The Census of Marine Life The first surprise was where things lived:everywhere!Marine species lived in the hottest and coldest places.Some species lived in deep places without light or oxygen.Living in Hot

28、and Cold WaterThe very cold Deep Ocean Zone has hot volcanoes in it.The water temperature at a volcano can be 400C(752F).Some species of shrimp,crabs,worms,and bacteria live in this very hot water.The leafy sea dragon blends in with the plants of its surroundings.Its eyes move independently of each

29、other so it can look in two directions at once.The male sea dragon carries the eggs for the female and gives birth.Over 2 kilometers(1.3 mi)deep in the ocean,giant tube worms live in the hot water that bubbles up from a lava pillar.Deep in the Ocean Level L1314Huge groups of Arctic sea life were als

30、o found living in freezing water.Some species of squid,cod,and jellyfish live under solid ice that is 700 meters(2,296 ft)thick.What Did We Learn?The marine census counted over 230,000 species.Over 6,000 new species had never been seen before!Some creatures were see-through.Some had warning lights t

31、hat turned on and off.Others had long feelers instead of eyes.The Antarctic ice fish has no red blood cells.Its thinner blood contains a type of antifreeze that allows it to survive in the frigid waters beneath ice that would freeze the blood of most fish.(Main)The big-eyed Atlantic gonate squid liv

32、es in the cold,deep waters of the northern Atlantic Ocean.(Inset)The flapjack octopus is sometimes called Dumbo for its resemblance to the elephant cartoon character.The flapjack has webbing between its tentacles.Deep in the Ocean Level L1314Huge groups of Arctic sea life were also found living in f

33、reezing water.Some species of squid,cod,and jellyfish live under solid ice that is 700 meters(2,296 ft)thick.What Did We Learn?The marine census counted over 230,000 species.Over 6,000 new species had never been seen before!Some creatures were see-through.Some had warning lights that turned on and o

34、ff.Others had long feelers instead of eyes.The Antarctic ice fish has no red blood cells.Its thinner blood contains a type of antifreeze that allows it to survive in the frigid waters beneath ice that would freeze the blood of most fish.(Main)The big-eyed Atlantic gonate squid lives in the cold,deep

35、 waters of the northern Atlantic Ocean.(Inset)The flapjack octopus is sometimes called Dumbo for its resemblance to the elephant cartoon character.The flapjack has webbing between its tentacles.Deep in the Ocean Level L1516What else lives in the deep ocean?Scientists keep finding new species and new

36、 facts.They think that only one-fourth of all marine life has been counted.So there are many more surprises to come!Glossarymarine (adj.)of or relating to the sea(p.10)oceanographers scientists who study the(n.)ocean and everything in it(p.8)species (n.)a group of living things that are physically s

37、imilar and can reproduce(p.11)submersible (n.)a small vessel that can operate under water,especially at deep levels(p.7)tag (v.)to put a label on an object to tell something about the object,such as who owns it or where it belongs(p.9)water pressure (n.)the force that water puts on an object(p.7)Exp

38、lore MoreTo learn more about the Census of Marine Life,A Decade of Discovery,go to its website at:l.orgEach week,new discoveries are added to the marine census project using a map on Google Earth:lmaps.org/census-on-google-earthOn the Internet,search terms such as:deep sea species,nudibranch,blind l

39、obster,or NASA oceanographyDeep in the Ocean Level L1516What else lives in the deep ocean?Scientists keep finding new species and new facts.They think that only one-fourth of all marine life has been counted.So there are many more surprises to come!Glossarymarine (adj.)of or relating to the sea(p.10

40、)oceanographers scientists who study the(n.)ocean and everything in it(p.8)species (n.)a group of living things that are physically similar and can reproduce(p.11)submersible (n.)a small vessel that can operate under water,especially at deep levels(p.7)tag (v.)to put a label on an object to tell som

41、ething about the object,such as who owns it or where it belongs(p.9)water pressure (n.)the force that water puts on an object(p.7)Explore MoreTo learn more about the Census of Marine Life,A Decade of Discovery,go to its website at:l.orgEach week,new discoveries are added to the marine census project

42、 using a map on Google Earth:lmaps.org/census-on-google-earthOn the Internet,search terms such as:deep sea species,nudibranch,blind lobster,or NASA oceanographyDeep in the Ocean Level LWritten by Natalie RompellaDeep in the OceanDeep in the OceanLevel L Leveled Book Learning AZWritten by Natalie Rom

43、pellaAll rights reserved.www.readinga-Photo Credits:Front cover:Norbert Wu/Minden Pictures;back cover:A.Ifremer Fifis/AP Images;title page,page 3:Norbert Wu/Minden Pictures/National Geographic Stock;page 4:Image courtesy of the Monteray Bay Aquarium Research Institute 2005 MBARI;page 5(main):David N

44、unuk/All Canada Photos/Corbis;page 5(inset):John Lund/Sam Diephuis/Blend Images/Corbis;page 7(top):iS 7(center top):Caan2gobelow/D;page 7(center bottom):U.S.Navy photo by Chief Petty Officer Dave Fliesen;page 7(bottom):Jeffrey L.Rotman/Peter Arnold Images/PhotoLibrary;page 8(main):Stephen Frink/Corb

45、is;page 8(inset):Paul A.Souders/Corbis;page 9(main):Photoshot Holdings Ltd/Alamy;page 9(inset):Science Source/Photo Researchers,Inc.;page 10:Chris Newbert/Minden Pictures;page 11:Fred Bavendam/Minden Pictures;page 12:Emory Kristof/National Geographic Stock;page 13:Dr.Julian Gutt/PA Photos/Landov;pag

46、e 14(main):David Shale/NaturePL/Minden Pictures;page 14(inset):Dante Fenolio/Photo Researchers,Inc.;page 15:Innerhand/DFront cover:The deep ocean fangfish has a bony,hard body.This strong body works like a shell to help protect it from both the freezing temperatures and heavy water pressure found at

47、 depths of about 4,876 meters(16,000 ft).Back cover:The blind,hairy-legged yeti crab is a new species.It was discovered near Easter Island,off the coast of Chile,in South America.The yeti crab lives in total darkness at depths of about 2.25 kilometres(1.4 mi).Title page:The tunicate attaches itself

48、to the walls of deep ocean canyons.It waits for small sea life to swim past its wide-open mouth.Page 3:The deep ocean anglerfish uses the bright end of a spine like a fishing pole to attract prey.www.readinga-CorrelationLEVEL LK1820Fountas&PinnellReading RecoveryDRAwww.readinga-Deep in the OceanDeep in the OceanA Reading AZ Level L Leveled BookWord Count:450Visit www.readinga- for thousands of books and materials.Written by Natalie RompellaLEVELED BOOK L