高中英语Unit 5 Revealing nature多媒体教学课件ppt

这是一份高中英语Unit 5 Revealing nature多媒体教学课件ppt，共23页。PPT课件主要包含了目录页，contents，seed，soil，pot，fertilizer，sunshine，stem，bud，tip等内容，欢迎下载使用。
Pre-writing
While-writing
Pst-writing
Pre-writing: Lead-in
Can yu think f sme wrds and expressins which can be used t describe hw a flwer seed is planted and hw it grws?
temperature
Lk at the pictures and talk abut hw the daffdil bulbs grw.
Pre-writing: Read and answer
Read the bservatinal jurnal and answer the questins.
Week 1The daffdil bulbs have been planted side by side in sil, with the pinted ends facing up. Water has been added and the cntainer was put in a cl, dark place. The bulbs are being watered regularly.
1. Hw were the daffdil bulbs planted?
They were planted side by side in sil, with the pinted ends facing up.
Week 3A single stem has spruted frm each f the bulbs. On each stem are tw leaves, which are lng and narrw with a waxy texture. The cntainer has been mved t a sunny, but cl place.
2. In what envirnment did the leaves grw?
The leaves grew in a sunny, but cl place.
Week 6The stems have grwn t arund 20 centimetres tall and each has prduced a single flwer. The flwers are yellwand white, and shaped like trumpets.
3. What d the flwers lk like?
The flwers are yellw and white, and shaped like trumpets.
While-writing: Talk and write
Lk at the pictures and talk abut hw the sunflwer grws.
germinatin /ˌdʒɜːmɪˈneɪʃən/（使发芽）cver … withmist sil cme up add waterpierce dwnwards push t the sil surface
grw dwnwardsgrw hllw and smthreveal large spade-shaped leaves grw tipreveal the first hints f becme wdy
the flwer budbecme visible enlarge and begin t revealblm
Write yur bservatinal jurnal abut the sunflwer.
Share yur bservatinal jurnal with the class.
Pst-writing: Presentatin
1 JuneCvered with 1– 2 cm f mist sil, the sunflwer seed takes a few days t cme up after being planted. Water has been added regularly and the hard seed cat sftens in the damp sil t allw the first rt t pierce dwnwards and the first leaves t push t the sil surface.
An bservatinal jurnal abut the sunflwer
6 JulyThe rt cntinues t grw dwnwards. The single stem grws hllw and smth, revealing large spade-shaped leaves frm the grwing tip. Gradually, the plant’s grwing tip reveals the first hints f develpment f the flwer bud. The plant stem becmes mre wdy.
26 JulyAbut three weeks after the flwer bud first becmes visible at the tip f the sunflwer stem, it enlarges and begins t reveal a flattened disc. Over the curse f ne week, the yellw ray flrets, the disc flrets blm acrss the cre f the sunflwer blssm. It is yellw, lking beautiful.
花骨朵儿变大并长成了……
Hmewrk: Rewriting and evaluatin