Air课件省公开课一等奖新名师比赛一等奖课件.pptx

10AirAir第1页Air has no _ or _.Air has no _ or _.We cannot _ it,but we can _ it.colourshapesmelltasteseefeel第2页Air is _.It is important to all _.It is also important to _ and _.We all need it to keep us _.everywherepeopleanimalsplantsalive第3页 Look at the _ and the _.Look at the _ and the _.They all need it too.It keeps them _ in the sky.kiteballoonplanebirdhigh第4页It has no colour or shape.It has no smell or taste.We cannot see it,but we can feel it.It is everywhere.It is important to all people.It is also important to animals and plants.We all need it to keep us alive.Look at the kite and the balloon.Look at the plane and the bird.They all need it too.It keeps them high in the sky.What is it?It is air.第5页How to make a parachute?第6页1.The parachute falls down slowly.2.The parachute is open.3.The parachute hits the ground gently.4.There is air in the parachute.第7页AirAir is very important!is very important!Why?Why?第8页The air is dirty in some places.We call this air pollution.第9页Air pollution is harmful!1 Its harmful to the health of people 2 Its harmful to the nature.3 Air pollution spreads easily.4 Air pollution is a global problem.5 People should stop using coal.第10页Whats the matter?Whats the matter?第11页air pollutionair pollution第12页Air pollutionAir keeps us alive.We get sick if the air is too dirty.第13页Where does air pollution come from?第14页smoke第15页Where does air pollution come from?It comes from the smoke.第16页Where is the smoke from?It comes from cars,buses and factories.第17页factory第18页factoryfactories第19页第20页Whats the matter with Kitty?Its the smoke.Its from cars,buses and the factory.Her eyes hurt.What hurts her eyes?Where is the smoke from?第21页Whats the matter,Kitty?Are you crying?Im not crying.My eyes hurt.Its the smoke.Where is the smoke from?Its from the cars and buses.Look at the black smoke from the factory.It makes the air dirty.Lets go to the park,Ben.The air is clean there.OK.第22页第23页The air is so fresh here.Yes.There are a lot of trees in the park.Trees keep the air clean.We should plant more trees and keep the air clean.Yes!We should keep our city clean.第24页How is the air?第25页dirty第26页How is the air in the picture?Its dirty.How is the air in the picture?第27页clean第28页How is the air in the factory?Its dirty.How is the air in the factory?Its clean.第29页factorysmokedirtyclean第30页第31页API and Health Implications(Daily Targets)API Air PollutionLevel：0-50Excellent 51-100Good101-150Slightly Polluted 151-200Lightly Polluted201-250Moderately Polluted 251-300Heavily Polluted 300+Severely Polluted 第32页1.Listen to and read Students Book page 70.2.Read,copy and spell the words:factory,factories,smoke,dirty,clean 3.Think about how to keep the air clean.4.Finish Workbook pages 57 and 59.第33页