原版英语RAZ 教案I12-Discovering Dinosaurs (3).pdf

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1、Discovering DinosaursA Reading AZ Level I Leveled BookWord Count:264Visit www.readinga- for thousands of books and materials.www.readinga-Written by Kira FreedLEVELED BOOK Written by Kira Freedwww.readinga-Discovering DinosaursLevel I Leveled Book Learning AZWritten by Kira FreedAll rights reserved.

2、www.readinga-Photo Credits:Front cover,back cover,title page,pages 3,5(top left,bottom left,bottom right),9(bottom left,bottom right),13(top left,bottom left,bottom right),14:ArtToday;page 4:iS Skwarecki;pages 5(top right,center),8,9(top),10,12,13(top right):Jupiterimages Corporation;page 6:REUTERS/

3、Rickey Rogers;page 7:Courtesy of Library of Congress,P&P Division LC-USZ62-127774;page 11:REUTERS/Nacho Doce;page 15:iS NilkensCorrelationLEVEL II151616Fountas&PinnellReading RecoveryDRADiscovering Dinosaurs Level I34Table of ContentsFinding Fossils.4Learning From Fossils.8How Long Ago?.14Glossary.1

4、6Index.16Finding FossilsHow do we know dinosaurs lived on Earth?We know because we have found fossils in rocks all over the world.Many fossils are on display in museums.Discovering Dinosaurs Level I34Table of ContentsFinding Fossils.4Learning From Fossils.8How Long Ago?.14Glossary.16Index.16Finding

5、FossilsHow do we know dinosaurs lived on Earth?We know because we have found fossils in rocks all over the world.Many fossils are on display in museums.Discovering Dinosaurs Level I56Scientists have found fossils of dinosaur bones,footprints,teeth,nests,and eggs.toothfootprintseggskeletonboneThese s

6、cientists are carefully digging dinosaur fossils out of the ground.They will wrap up the fossils to keep them safe.Then they will take them to a museum.Scientists clear dirt and rock away from a leg bone fossil.Discovering Dinosaurs Level I56Scientists have found fossils of dinosaur bones,footprints

7、,teeth,nests,and eggs.toothfootprintseggskeletonboneThese scientists are carefully digging dinosaur fossils out of the ground.They will wrap up the fossils to keep them safe.Then they will take them to a museum.Scientists clear dirt and rock away from a leg bone fossil.Discovering Dinosaurs Level I7

8、8At the museum,scientists will study the fossils.They try to fit bone fossils together to make a skeleton.Some pieces of the skeleton might be missing.Scientists use what they know about other animals to make pieces fit.A scientist fits Triceratops bone fossils together.Learning From FossilsScientis

9、ts study other animals to learn about dinosaurs.Dinosaur bones may be bigger.But many are shaped the same.In some ways Triceratops(top)and horse skeletons look the same.TriceratopsHorseDiscovering Dinosaurs Level I78At the museum,scientists will study the fossils.They try to fit bone fossils togethe

10、r to make a skeleton.Some pieces of the skeleton might be missing.Scientists use what they know about other animals to make pieces fit.A scientist fits Triceratops bone fossils together.Learning From FossilsScientists study other animals to learn about dinosaurs.Dinosaur bones may be bigger.But many

11、 are shaped the same.In some ways Triceratops(top)and horse skeletons look the same.TriceratopsHorseDiscovering Dinosaurs Level I910Scientists compare dinosaur bone fossils to other animals.They learn that some dinosaurs walked,some swam,and some flew.flying dinosaurwalking dinosaurswimming dinosaur

12、Scientists study fossil footprints to see how fast dinosaurs moved.Some dinosaurs moved very slowly.Some moved faster than humans.Can you see the two sets of fossil footprints?Discovering Dinosaurs Level I910Scientists compare dinosaur bone fossils to other animals.They learn that some dinosaurs wal

13、ked,some swam,and some flew.flying dinosaurwalking dinosaurswimming dinosaurScientists study fossil footprints to see how fast dinosaurs moved.Some dinosaurs moved very slowly.Some moved faster than humans.Can you see the two sets of fossil footprints?Discovering Dinosaurs Level I1112Scientists stud

14、y fossil teeth to learn what dinosaurs ate.Some teeth are sharp like the teeth of meat eaters.Other teeth are flat like the teeth of plant eaters.The sharp teeth of a meat-eating dinosaurScientists learn about dinosaur babies from fossil nests and eggs.Some dinosaurs may have sat on their eggs like

15、many birds do.A fossil nest with dinosaur eggsDiscovering Dinosaurs Level I1112Scientists study fossil teeth to learn what dinosaurs ate.Some teeth are sharp like the teeth of meat eaters.Other teeth are flat like the teeth of plant eaters.The sharp teeth of a meat-eating dinosaurScientists learn ab

16、out dinosaur babies from fossil nests and eggs.Some dinosaurs may have sat on their eggs like many birds do.A fossil nest with dinosaur eggsDiscovering Dinosaurs Level I1314Scientists also find fossils of plants,fish,insects,and other animals.These fossils help them learn what Earth was like when di

17、nosaurs lived here.batfishplantinsectLayers of rock show where dinosaur fossils are found.newerolderoldestHow Long Ago?Scientists study rocks where fossils are found.Older fossils are deeper in the ground than newer fossils.Discovering Dinosaurs Level I1314Scientists also find fossils of plants,fish

18、,insects,and other animals.These fossils help them learn what Earth was like when dinosaurs lived here.batfishplantinsectLayers of rock show where dinosaur fossils are found.newerolderoldestHow Long Ago?Scientists study rocks where fossils are found.Older fossils are deeper in the ground than newer

19、fossils.Discovering Dinosaurs Level I1516Footprints of a large three-toed dinosaurNo one knows for sure why the dinosaurs disappeared millions of years ago.Glossaryfossils(n.)parts of living things from long ago that turned to stone over time(p.4)museum(n.)place used to store and show objects import

20、ant to history,science,or art(p.6)scientists(n.)people who are experts in at least one kind of science(p.5)skeleton(n.)all of the bones in a body(p.7)Indexbones,5,79eggs,5,12footprints,10museum,6,7nests,5,12teeth,5,11Discovering Dinosaurs Level I1516Footprints of a large three-toed dinosaurNo one kn

21、ows for sure why the dinosaurs disappeared millions of years ago.Glossaryfossils(n.)parts of living things from long ago that turned to stone over time(p.4)museum(n.)place used to store and show objects important to history,science,or art(p.6)scientists(n.)people who are experts in at least one kind

22、 of science(p.5)skeleton(n.)all of the bones in a body(p.7)Indexbones,5,79eggs,5,12footprints,10museum,6,7nests,5,12teeth,5,11Written by Kira Freedwww.readinga-Discovering DinosaursLevel I Leveled Book Learning AZWritten by Kira FreedAll rights reserved.www.readinga-Photo Credits:Front cover,back co

23、ver,title page,pages 3,5(top left,bottom left,bottom right),9(bottom left,bottom right),13(top left,bottom left,bottom right),14:ArtToday;page 4:iS Skwarecki;pages 5(top right,center),8,9(top),10,12,13(top right):Jupiterimages Corporation;page 6:REUTERS/Rickey Rogers;page 7:Courtesy of Library of Co

24、ngress,P&P Division LC-USZ62-127774;page 11:REUTERS/Nacho Doce;page 15:iS NilkensCorrelationLEVEL II151616Fountas&PinnellReading RecoveryDRADiscovering DinosaursA Reading AZ Level I Leveled BookWord Count:264Visit www.readinga- for thousands of books and materials.www.readinga-Written by Kira FreedLEVELED BOOK Grade 1 Book 12