Factsaboutwater.ppt

1、、unit 5 more practice、facts about water、why is a river rich？because it has two banks。lead-in、what can you swallow that can swallow you？水、lead-in、I am one of the natural elements . I have no colour、I have no smell、I have no taste、I have no shaph FlowersIm water！bra instorming : nature of water，1，pre-

2、reading，know about me，where can you see water in our daily life？rain、sea、tap、cloud、ice、dew、fog、vapour、frost、hail、snow、vocabulary、2、more facts about me、while-reading、lets read、facts about water、10 interesting useful water facts、com What，How much of Earth is covered by water？2 .how much of the water o

3、n earth can human use？Where is it？4 .how much water can a healthy person drink per day？about 75%、0.3%、it is found in ground water aquifers、rivers、and fresh water lakes。70%，80%，3 galls 8。_ _ _ _ _ _ _ _ isdrinkable . but it is _ _ _ _ _ _ _ to find clean and safe ground water。5 6 .开放工作站tast _ _ _ _ _

4、 _ _ _ _ _ _ _，开放的waters not _ _ _ _ _ _ _ _ _ _ _ _ u.7 .having a shower instead of a bath can save up to _ _ _ _ _ _(编号)litres of water a week。9 .thinking 333，solid，salty，drinkable，ground water，400，not easy，while-reading，while-readinge . g . I am one of the natural elements . as 70% of human body

5、is me，so people should protect me。facts，present Some tips to protect water : fix a dripping tap take a shower instead of a bath do not play water games reuse water do not thisconclusion。post-reading、writing、3、nature、reason facts、conclusion、none of us hope to see that the last drop of water will be our tears . so water is more precious than liquid gold . we should nt waste