高中英语词汇试讲Volcano 10min

【词汇课逐字稿】

一 、导入Lead-in——视频导入

Hello, boys andgirls! How are you? You all look happy today! I feel good,too! (问候开场)

At the beginningof the class, I'd like to show you a video. Please look at the screen. I havesome questions for you, listen carefully: What can you see in the video? (示意黑板) Do you know the answer? Mike, please. Yes, you can seea small village. What else? Right, there are some big mountains on the back.Excellent! Those mountains are actually volcanoes. Would you like to learn somemore? (回答总结) Today, we will learn a new lesson,Volcanoes. (板书标题)

二、词汇课PPP

1. Presentation

Step 1: 理解材料，呈现新知

Guys, pleaseopen your book. Now we have a short passage. Please read the passage and think aboutthese questions:

(1) Whathappened on the 18th of July 1995?

(2) Why peoplehave to leave the island?

(3) What wouldhappen when the lava reached the sea?

（通过提问问题，引出三个新单词）（朗读文段，完成题本要求）

Did you get theanswer? Let's check. The first one. Lily. One of the volcanoes erupted on the18th of July 1995. That's right. How about the second one. Lucy, have a try.Because ash and steams began to come out of the volcano. Very good. The lastone. Let's say it together. There was the possibility of a huge tidal wavewhich could flood half the island. Fantastic. You all got it right. I'm soproud of you.

Step 2: 讲解新知

All right guys,look at the blackboard. It's time to learn something new. Here are some newwords. (过渡句)

Let's look atthe first one. Can you read it? Yes, it's erupted. Do you know what does itmean? Right, it's a verb, and it means become active and start to burn. 

Eruption is thenoun form of it. What about this one? OK, this is ash. And what does it mean?The remains after something is burned. For example, She smoked there, puttingash into the ashtray. (例句讲解)

The last one,tidal wave. It's an unusual rise of water in the sea caused by eruptions. Lookat the screen, this is a tidal wave. (用图片讲解单词) Got it?

2. Practice ·（填空+小组活动）

复习材料，填空练习

Practice makesperfect, so let's do more exercises then.(过渡句)There are twoactivities, first, let's review the passage. Please fill in these blanks asquickly as you can and we will check the answers later.(指令) You need to use the right form of the words we learnedtoday. Here we go. Have you finished? What's the answer? Jack, can you shareyour answer with us? Cool, any different opinions? The second blank. It shouldbe erupt, not erupted. Jack, don't be upset. I think you can do better nexttime.(纠错)

小组活动

Now, let's workin pairs to have more communication.(过渡句) I am going toset up a situation like this: suppose you are a reporter, and you willinterview the villagers. Ask them about what they witnessed during theeruption.(教师指令) Try to make a conversation andpractice with your partner. Remember, try to use the new knowledge we learnedtoday, clear? OK, start!

So, which teamgoes first? Alice and your partner. You two, please.(学生互动) Great! I believe all of you have masteredthe knowledge.(教师评价)

3. Production · 话题讨论

Since we havelearned about volcanoes today. Let's have a discussion. (过渡句) Think about it this way: what other natural disastersdo you know? OK, 10 minutes for you. Please work in your groups and shareyour ideas, then each group will choose one reporter to share your groupopinion to us. Let's see which group has the most creative idea, and whichreporter talks more smoothly and clearly. (教师指令)

OK, time's up.Which team goes first? Billy for group 3. Great job!

Others? Tina.You know so much about it. Wonderful.(学生互动+评价)

三、总结和作业（Summary and homework）

1.总结

How time flies!Who can tell me what we have learned today? (师生共同总结课堂) OK, I heardmost of you say we have learned some useful expressions. Great! And I alsoheard that we have learned how to describe natural disasters. Exactly! Pleaseremember. We need to protect the environment so that we can live a betterlife.(情感升华)

2.作业

OK, boys andgirls. Class is almost over. And there is one last thing, what is it? Right,our homework! When you go home, please finish the exercise book first and checkmore information about volcanoes on the internet. We will share them in thenext class.(基础+拓展作业)

So much fortoday, goodbye everyone