高中英语外研版必修1Module 5 A Lesson in a Lab课堂教学课件ppt

这是一份高中英语外研版必修1Module 5 A Lesson in a Lab课堂教学课件ppt，共18页。PPT课件主要包含了Module 5， ，Function等内容，欢迎下载使用。
Listening and writing
Yu will hear a cnversatin in which a teacher helps a student d an experiment. Read the Aim belw and predict the Result.
Aim: T find ut if there is a change in weight when the metal magnesium burns in air.Result: __________________________.
Aim: ____________________________ ____________________________ ______
T find ut if there’s a change in weight when magnesium burns in air.
Listen and cmplete the descriptin f the scientific experiment.
Apparatus: _________________________ _________________________Methd: ___________________________ ___________________________ ___________________________ ___________________________ ___________________________ ___________________________ ___________________________
Magnesium, Bunsen burner, a balance, a crucible.
First, put the magnesium in the crucible. Then put the crucible n the balance and weigh it. Next, heat the magnesium. Light the Bunsen burner and hld the crucible ver it. Finally weigh the magnesium again.
Result: _____________________________Cnclusin: ________________________ ________________________ ____
It weighs a little mre than befre.
There is a change in weight when magnesium burns in air.
Everyday English
Where d we g frm here? means ______. A. What shall we d next? B. Is this the right way?2. Keep the nise dwn. means____. A. Dn’t talk B. Talk quietly
Chse the crrect meaning.
3. Yu’ve gt it! means ________. A. Yu’ve understd B. Yu have smething 4. G ahead! means ________! A. G away B. Begin 5. It’s yur turn means _______. A. Yu’re next B. Turn rund
Prnunciatin
Intnatin in questins
Listen t the intnatin f these sentences. The student is asking his teacher questins. Des the vice g up r dwn at the end?
1. Hw much d we need?2. What abut this piece?3. Is this piece OK?
4. Where d we g frm here?5. D yu want me t write that dwn?What can yu ften say abut the intnatin f (a) Wh- questins and (b) Yes / N questins?Wh- questins ften fall at the end.Yes / N questins ften rise.
Wrds and expressins f sequence
Well, first, put the magnesium in the crucible. Then put the crucible n the balance and weigh it. Next, I light the Bunsen burner. After that, I hld the crucible ver the Bunsen flame.
Lk at the wrds in italics. When d we use them?
Lastly, we need t weigh the magnesium again.We use them t indicate the stages f a prgress.
D the exercises 13-17 n page 95.