2021学年Lesson 3课前预习ppt课件

这是一份2021学年Lesson 3课前预习ppt课件，共51页。PPT课件主要包含了学习目标，Mammals，Birds，Reptiles，Insects，Amphibians，Fish，Let’s say，Animals，food等内容，欢迎下载使用。

Unit 3 Animal Wrld（第五课时）
Lessn 5 Animal Grups and Features
1. 能够了解不同种类动物的基本特征。2.能判断某种动物的种类并说明理由。
knwn species(已知物种)
1.5 millin
Animal Kingdm
animals with backbnes(脊椎)
animals withut backbnes(脊椎)
Vertebrates(有脊椎动物)
Invertebrates(无脊椎动物)
What d yu knw abut them?
AmphibiansAmphibians have mist skin.Amphibians live n land and in water. Mther amphibians lay eggs.
FishFish have cld bld.Fish have fins.Fish use gills t breathe.Fish spend their whle life in water.
Let’s read.
Mammals have warm bld.Mammals are cvered with hair r fur.Mther mammals feed milk t their babies.
All birds have feathers. All birds have tw wings. Mther birds lay eggs.
Reptiles have cld bld. All reptiles have scales. Mther reptiles lay eggs. Mst reptiles have fur legs. ( A snake is a reptile with n legs.)
All insects have six legs. Mther insects lay eggs. Mst insects can fly. Mst insects have wings.
Amphibians have mist skin. Amphibians live n land and in water. Mther amphibians lay eggs.
Fish have cld bld. Fish have fins. Fish use gills t breathe. Fish spend their whle life in water.
Let’s learn.
Mammals have warm bld.
Bdy temperature stays almst the same.
Mammals are cvered with hair r fur.
All birds have feathers.
All birds have tw wings.
Mther birds lay eggs.
Mst reptiles have fur legs.
All reptiles have scales.
Reptiles have cld bld.
What are Fish ?
Fish have fins.
Fish use gills t breathe.
All insects have six legs.
Mther insects lay eggs.
Mst insects have wings.
What are Amphibians ?
mist / wet skin潮湿的皮肤
Amphibians have mist skin.
Mther amphibians lay eggs.
Amphibians live n land and in water.
Let’s match.
1.have fins
2.cvered with hair r fur
3.live n land and in water
4.have feathers
5.have six legs
6.have warm bld
7.have mist skin
8.have scales
9.always live in water
Whales are mammals. They have warm bld. Mthers feed milk t their babies.
What kind f animals are whales? Why?
Penguins are birds, because penguins have feathers, penguins have tw wings and mther penguins lay eggs.
What kind f animals are penguins? Why?
Ladybugs are insects, because they have six legs, they can fly and mther ladybugs lay eggs.
What kind f animals are ladybugs? Why?
Snakes have scales, and they are cld-blded animals. S they are reptiles with n legs.
What kind f animals are snakes? Why?
appearances
living places
main features
Giant Pandas are cute black and white bears. They are mammals. They like t eat bamb. Mthers feed milk t their baby pandas. They are natinal treasures f China. We shuld prtect giant pandas.
Well-knwn Chinese Animals
Glden Mnkeys金丝猴
Giant Pandas大熊猫
Chinese Alligatrs扬子鳄
Tibetan Antelpes藏羚羊
Siberian Tigers东北虎
Chinese Alligatrs are amng the smallest alligatrs in the wrld, and they live in China. They have cld bld, sharp teeth and hard scales. They are reptiles. But they can swim, t. Just like turtles.
Giant Pandas
Chinese Alligatrs