Unit 2 Communication Communication Workshop 课件 2024-2025学年北师大版英语八年级下册

Unit 2 Do animals need communication? Lesson4 Animal talk insects whales ants bees mice How do they communicate with each other? I think ants communicate by body language. My dog is in the garden.He's wagging his tail,his mouth is open and he is looking at me.What is he trying to tell me? Jane Roberts My dog is In the garden.He Is wagging hls tall,his mouth is open and he Is looking at me.What Is he trying to tell me?Jane Roberts reports. People have always been interested in animal communication and scientists have done a lot of research on this subject. Most animals communicate by smell.Dogs are famous for this. When a dog walks outside,it learns about other dogs by smelling things. Dogs have helped the police for a long time,too.They can find missing people by using their fantastic sense of smell.Mice have an excellent sense of smell,too.And scientists have trained them to find landmines. Scientists have discovered that even ants use smell.They use smell to tell other ants where the food is. Everyone has heard birds singing. Research has shown that many other animals use sound to communicate. Frogs and insects communicate with sounds.Usually the "gentlemen" make sounds to invite the"ladies". Read the text. Find out the 3 main methods(方式)of animal communication. By smell By sound By body language Whales and elephants also use sound to communicate.These sounds can travel very far through water or the ground.However,it is not possible for humans to hear some of the sounds.They are either too low or too high for us. Animals have always used body language to communicate as well. When a cat puts its ears back,it is a bit mad.When it sits with its tail around itself,it is happy.When a dog puts its tail under its body,it is scared.When it wags its tail and opens its mouth,it is happy.So I think my dog is happy right now. Ways of communication animals By smelling dogs、mice、ants By sound birds 、frogs、insects、 elephants、whales By body language dogs、cats Mice:What have we used it to do? ants What do we know about the smell of ants? What do we know about the smell of dogs? What have we used it to do? By smell dogs It learns about other dogs by smell What have we used it to do? What have we used it to do? What do we know about the smell of ants? dogs Mice: ants By smell Mice:What have we used it to do? ants What do we know about the smell of ants? It learns about other dogs by smell We have used it to find missing people By smell dogs Mice:We have used it to find missing people ants What do we know about the smell of ants? It learns about other dogs by smell We have used it to find missing people By smell dogs Mice:We have used it to find missing people ants They use smell to tell others where the food is It learns about other dogs by smell We have used it to find missing people By smell dogs What do we know about the sound of frogs and in sects? What do we know about the sound of elephants and whales? Elephants whales Frogs insects By sound Frogs The"gentleman"invite the "ladies" insects What do we know about the sound of elephants and whales? Elephants whales By sound Frogs The"gentleman"invite the "ladies" insects Elephants whales By sound These sounds travel far Put its ears back: Sit with its tail around: Wag its tail Open its mouth Look at you What do we know by the body Language? cats dogs By body language Put its ears back: scared Sit with its tail around:happy Wag its tail Open its mouth Look at you cats dogs By body language happy Ways of Commun i-cation animals Do we know why they communicate this way? Can we use it? by smell dogs Yes Yes mice No Yes ants Yes No by Sound frogs Yes No insects Yes No whales No No elephant S No No by body cats Yes No research Read with the speaker. Ways of Commun i-cation animals Do we know why they communicate this way? Can we use it? by smell dogs Yes Yes mice No Yes ants Yes No by Sound frogs Yes No insects Yes No whales No No elephant S No No by body cats Yes No research Homework 1 Read the text. 2Write down your opinion about animal communication? $$