【新教材新课标】北京版英语四上Unit 6 Get Close to Nature Get Close to Nature Lesson 21 课件+教案+素材

北京版英语（新教材）四年级上册Unit 6 Get Close to NatureLesson 21 Snow Turns into WaterBy the end of the lesson, I will be able to... read and understand the conversations; describe and explain common natural phenomena.阅读并理解对话内容；描述并解释常见自然现象。Lead inHow do you usually get close to nature? I see the green grass.I smell the flowers.I hear the birds.I feel the wind.I feed the sheep.I feed the chickens.I see the green grass.I look at the stars.Lead inWe can find interesting things in cold days. What are they? Let’s have a look.PresentationListen and repeatIt’s so cold today.Yes. I can see your red nose. Haha!Look! There is ice on the window.Wow, so beautiful! Why is there ice?The room is warm, and the glass is cold. The water in the air gets cold on the glass. It turns into ice.玻璃The cup is made of glass.转向，改变Turn left at the first crossing.Look, it’s snowing outside. I love snow.Me, too. Let’s go out and have fun after class.在……之后We play outside after school.Oh, no! The sun comes out. Snow turns into water. That’s too bad!太阳The sun is shining brightly.糟糕的Too much rain is bad for the plants.PracticeListen and findcoldturns into iceturnsinto iceThe water gets cold. It turns into ice.The ice gets warm. It turns into water.It’s so _____today.Yes. I can see your red ______. Haha!coldnoseLook! There is _____on the window.Wow, so beautiful! Why is ______ice?ice thereThe room is warm, and the ______is cold. The water in the air _____cold on the glass. It _______into ice.glassgetsturnsLook, it’s _______outside. I love snow.Me, too. Let’s go out and have fun _________class.snowingafterOh, no! The _____comes out. Snow turns into water. That’s too ____!sunbadProductionListen and chooseABCDifferent meHello, I’m Mr Water. You can find me everywhere. Ah, the sun is up over the sea. It's hot now. I get very small. I'm so scared. I fly up into the air. Where am I? It is cool here. Wow, I turn into water again. What am I going down? It's cold. Oh, no! I turn into snow and ice.hotflycoolturn into watercoldturn into snow and iceOh, it’s too hot today. My ice is turning into water.Don’t worry. Let’s put the ice in here.It gets cold here. Water turns into ice again.There is some water on the leaves in the early morning. Do you know why?Let me see. At night, the air gets cold. The water in the air is called water vapor(水蒸气).When this water vapor touches the cold leaves, it gets cold too and turns into tiny water drops(小水滴).We call these drops dew(露珠).SummaryHomeworkMust do:Read and repeat the conversation on page 70.Act out the conversation with your partner.Choose to do:Learn more about the water cycle.