《unit　10　water　festival课件》初中英语牛津上海版七年级下册9348.ppt

Water boy -we will rock you,Three forms of water,-马平艳,What do I also need?,+,+,=,?,How to get ice?,ice,(freeze),water,/fri:z/,ice,water,(melt),water,steam,( boil ),steam,water,(cool down),ice,steam,water,(freezes),(melts),(boils),(cools down),How do they turn into each other?,They are three forms of water.,/fR:m/,ice,freeze: water,-When water_, it turns into _.,-What happens when water _?,freezes,freezes,ice,-When _, it turns into _.,-What happens when _?,melt: ice,water,ice melts,water,ice melts,boil: water,steam,turns into steam,-When water_, it _.,-What happens when water _?,boils,boils,-When _, it _.,-What _?,cool down: steam,water,happens when steam cools down,steam cools down,turns into water,Lets have a competition!,Use “when water , it turns into .”,S1:What happens when water ?S2:When . , it .,Do pair work:,Ive got some questions for you to think about. What happens when water boils? What happens when water freezes? What happens when ice melts? What happens when steam cools down?,Look an read,When water boils, it turns into steam.,When water freezes, it turns into ice.,When ice melts, it turns into water.,When steam cools down, it turns into water.,Listen and answer,Do more practice,Step1:Put a dry lid on a glass of hot water. Step2:Wait for ten seconds. Step3:Take the lid off.,Do an experiment (A),Do an experiment (B),stept1:Put some ice cubes in a glass of water. Stept2:Wait for two minutes. Stept3:Look at the outside of the glass.,Experiment (A),Drops of water,turns into steam,drops of water,forms,May,Experiment (B),forms,May,Drops of water,steam,cools down,turns into,drops,of water,air,Do you know how the water comes to our houses?,I am a drop of water,Show your poems,I am a drop of water,When the sun starts shining, I fly to the sky. I turn into steam. I am a drop of water,. I am a drop of water,show time!,Write your poem on your notebook.2. Finish workbook page 64.,Assignment,I am a drop of water,When the sun starts shining, I fly to the sky. I turn into steam. I am a drop of water,. I am a drop of water,Water is important,Water is importantDrink lots of water.Wash your face with water.Brush your teeth with water.But, never, ever waste water.Water is