课件16张PPT。课件课时设计Period 1: Introduction & Reading and
Vocabulary
Period 2: Vocabulary and Speaking &
Vocabulary
Period 3: Grammar 1 & Grammar 2
Period 4: Listening and Writing & Function
Period 5: Pronunciation & Everyday English &
Cultural Corner & TaskListening and WritingDo you have such an experience to do the experiment with the help of a teacher?Pre-listening You will hear a conversation in which a teacher helps a student do an experiment. Can you predict the result according to the aim?AIM: To find out if there is a change in weight when the metal magnesium burns in air.
RESULT:____________ __________________________________________Listen to the conversation.After the first listening, check whether your prediction for activity 1 is correct.
Listen again and complete the description of the scientific experiment in Part 3.
Then check the answers with your partner.Present what you’ve finished and then check the answers together. Make a conclusion of the ways to write an experiment report.Aim: to find out if there’s a change in weight when magnesium burns in air
Apparatus: Magnesium, Bunsen burner, a balance, a crucibleMethod:
First, put the magnesium in the crucible.
Then put the crucible on the balance and weigh it.
Next, heat the magnesium. Light the Bunsen burner and hold the crucible over it.
Finally, weigh the magnesium again.
Result: It weighs a little more than before.
Conclusion: There is a change in weight when magnesium burns in air.FunctionAnswers:Look at the words in italics. When do we use them?We use them to indicate the steps of a process.Well, first, put the magnesium in the crucible. Then put the crucible on the balance and weigh it. Next, I light the Bunsen burner. After that, I hold the crucible over the Bunsen flame. Lastly, we need to weigh the magnesium again.Now work with your partner. Talk about the steps of a new experiment or an event, using the words below.first then next after that lastlyI cooked the dinner today. First I asked my parents about what they liked to have for dinner. Then I went to the shop and did some shopping. Next I washed all the fresh materials and cooked them. After that we make the table. Lastly we all our family members enjoyed ourselves. Example:Homework Write a report of an experiment that you are familiar with, using what we’ve learnt in today’s lesson.
