1、He puts his hand on the cardboard and turns the jar upside down.

turn…upside down

Don’t turn the cup upside down or it will make you wet!

3、Preview Lesson 28.

　Language Notes:

3、Preview Lesson 27 and prepare a bowl，a spoon，a cornstarch，water for next lesson.

Lesson 27 Danny the “Dry-or-saur”！

Class opening

For ideas and tips on beginning a class, see “teaching techniques” at the back of this teacher’s guide.

Step1、Listen to the passage in this lesson，and discuss “Why does everyone laugh？How does Brian do the experiment？ Is Danny wet？Why or why not？What’s the conclusions？”Then listen again.

Step2、Ask students to read the text and write out the steps of the experiment in their exercise book.

Step3、Another experiment

1)Read the experiment about Weird Mud carefully. Find out “What do you need？What do you do？What is happening？What else can you do ？”

2)Divide students into groups with three or four. Try to do it as the text says. Explain or observe the experiment when you or others do it to see what will happen？

Class closing

3、Preview Lesson 26.

Lesson 26 One Wet Danny？

Class opening

For ideas and tips on beginning a class, see “teaching techniques” at the back of this teacher’s guide.

Step1、Presentation

Key word：force

Teacher：Force

Students：Force

Teacher：The force of the air is stronger than we think.

Step2、Ask the class to discuss the questions in 　“Think About It”.　　　　　　　　　　　　　　　　　 　

Step3: Let the students listen to the tape carefully with the following　questions：“What does Brian/Jenny/Danny say about the experiment？Are they same？What idea does Jenny have？Where will Danny sit？What will Brian do？What will Danny bring that day？Is he going to wet？”Then listen again.

Step4： Come to “Let’s do it！”

Step5：Read the dialogue and If have some time you may ask students to act it out. 　

Class closing

2、Practise the dialogue in this lesson.

1、Finish off the activity book.

7.He is very clever. He_________know the answer.

6.We_________cross the street carefully.

5.“________you skate?”“No, I________.But my brother_________”

4.-________I hand in my paper now.

-No, you _______.But you________hand it in tomorrow.