Lesson T The Life cycle of a Frog

1、Lesson T The Life Cycle of a FrogSeven days Monday TuesdayWednesday ThursdayFridaySaturdaySundayweekHow many days are there in a week?frogDo you know something about frogs？eggs of frogAdult frogs lay eggs in spring.tadpoleAbout two weeks, tadpoles come out.找不同找不同 tadpoletadpole with legs12tadpole wi

2、th legsAbout five weeks old, they have back legs.About ten weeks old, they have front legs.tadpole with legs froglet12找不同找不同tailsmall and shortfrogletTheir tails become short. They are called froglets.The froglets eat small animals such as flies.flies froglet young frog12young frogThe froglets becom

3、e young frogs.They live on land for two or three years .Young frogs become adults.adult frogThey go back to water to lay eggs.lay eggstadpolefrogletadult frogLets talkListen to the text and fill in the blanks.WhenIn spring_weeks_weeks_weeksTails Become_The Frogletseat_ or_yearsWhat happens In spring

4、 , _ _ lay eggs. After about _ weeks, tadpoles _ _. adult frogs come outAbout _weeks old , they have_ _.fiveback legstwofivetenshortfliestwothreetwoAbout _weeks old ,they have _ _.tenfront legsThen their _become _ and they _ _ froglets. tails are calledFroglets eat _ _ such as_. Then they become _ _

5、. small animalsfliesyoung frogsThey _ on land for _or _ years and become _ .Then they _ _to _ to lay eggs.livetwo threeadultsgo back watershort Lets talk about the life cycle of a frog to our partners.（和同桌說說青蛙的生長周期）和同桌說說青蛙的生長周期）Work in pairs and finish the quiz.1.Do the frogs lay eggs in water or on

6、 land? _2. Do the frogs live in water ,on land or both? _3. A froglet has a tail. True or False? _4. When frogs grow up, do they lose their tail? _5. Does a young frog live on land for one year? _In water.Both in water and on land.True.Yes.No.Look at the picture and fill in the blanks. In spring an adult frog lays _in water. The eggs are _and they become_and little tadpoles. Then they have two _back legs and two_ front legs.Later ithasnt a tail. Now they can