Air省公开课一等奖新名师优质课比赛一等奖课件.pptx

10 AirAir第1页This is our home.第2页We live on Earth.There are many natural elements around us.We cannot live without them.They are everywhere around us.第3页natural elements 第4页第5页airair第6页Air is Air has We need air to We can with air.What do you know about air?第7页Air has no smell.Air has no taste.Air has no colour.Air has no shape.When the wind blows,we can feel it.We need air to breathe.We need air to survive.When we breathe it,It keeps us alive.第8页Does air have taste or smell?No.第9页It uses hot air.How does a balloon lift people up?第10页How do kites and planes stay in the sky?They ride on air.第11页What is it?Does it have any colour or taste?Can you see or feel it?第12页What is it?Does it have any colour or taste?Can you see or feel it?It is air.No,it doesnt.I cannot see it,but I can feel it.第13页It has no _ or _.It has no _ or _.We cannot _ it,but we can _ it.colourshapesmelltasteseefeel第14页Why is it important?We all need it to keep us alive.第15页It is _.It is important to all _.It is also important to _ and _.We all need it to keep us _.everywherepeopleanimalsplantsalive第16页What other things need air?Kites,hot-air balloons,planes and birds.第17页Look at the _ and the _.Look at the _ and the _.They all need it too.It keeps them _ in the sky.kiteballoonplanebirdhigh第18页It keeps them high in the sky.第19页It is air.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.第20页第21页第22页第23页parachute第24页How to make a parachute?第25页What do we need?a piece of clotha stringa small toy第26页Take a piece of cloth.第27页Tie a piece of string to each corner.第28页Bring the four pieces of string together and tie them to a small toy.第29页Throw the toy up in the air.第30页What happens?第31页How to make a parachute?第32页1.The parachute falls down quickly/slowly.2.The parachute is open/closed.3.The parachute hits the ground gently/heavily.4.There is air/water in the parachute.第33页The toy moves slowly in the air.第34页1.Listen to and read Students Book pages 68 and 72.2.Recite the riddle in“Listen and say”on Students Book page 68.3.Make a toy parachute.4.Finish Workbook pages 56 and 58.第35页