外研版高中英语必修一module5课件

外研版高中英语必修一module5课件
外研版高中英语必修一module5课件
Module5ALessoninalab
钱桂香
武训高中
Module5ALessoninalab钱桂香
Introduction
Introduction
Listenandchoo.P41
1.(a)Waterexistsasasolid,aliquidandagas.
(b)Waterexistsasasolidandaliquidonly.
2.(a)Whenyouheatametal,itexpands.学科网
(b)Whenyouheatametal,itcontracts.
3.(a)Steelisamixtureofironandothersubstances.
(b)Steelisamixtureofironandoxygen.
4.(a)Two-thirdsoftheearth’ssurfaceiswater.
(b)50%oftheearth’ssurfaceiswater.
5.(a)Thedistanceofthesunfromtheearthis25.500kms.
(b)Thedistanceofthesunfromtheearthis150.500.500
kms.
6.(a)Theearthis4.6millionyearsold.
(b)Theearthis4.6billionyearsold.
7.(a)Theearthistwiceaslargeasthemoon.
(b)Theearthisforty-ninetimeslargerthanthemoon.
Listenandchoo.P411.(a)Wa
Putthewordsinpairsorgroups.
contractairearth gasliquidoxygen
moonsolidexpandsun
1
2
3
4
air–gas-oxygen
contract-expand
earth–sun-moon
gas–liquid-solid
Putthewordsinpairsorgrou
Putwordsintherightplace.
electricity iron metal
steel air glass
natural
man-made
both
electricityironairsomemetals
electricitysteelglasssomemetals
electricitysomemetals
Putwordsintherightplace.e
ReadingandVocabulary
ReadingandVocabulary
Lookatthepictures.Doyouknowthenamesoftheequipment?
testtubetongsbalance
crucibleBunnburner
Lookatthepictures.Doyou
potassium
(钾)
Let’sgettoknowsomemetals?学科网
potassiumLet’sgettoknowsom
sodium(钠)
calcium(钙)
magnesium(镁)
sodium(钠)calcium(钙)magnesium(