2、Try to do another experiment that you are interested in.

7.Look at the water in the jar. What observation can you make

Step3 Doing and explaining.

Divide students into groups with three or four. Have them explain as they do it. After doing that，what’s your conclusion？Is it interesting？What experiment would you like to do in this unit？Choose one and have a try as the PROJECT says.

Class closing

6.Carefully put the jar over the candle until the top of the jar rests on the dish.

5.Let the candle burn for two or three minutes.

4.Light the candle.

3.Fill the dish half full of water.

2.Put the candleholder in the dish.

2、everywhere

Everywhere means here and there.

Say goodbye to class.

Lesson 30 Keep the Candle Burning !

Step1、We have learned some experiments，such as “The force is all around you” “Weird mud”，today let’s enter another experiment.

Step2、Presentation

1)Come to “THINK ABOUT IT！”Discuss them in groups.

2)Presentation

Look at these things. Can you name them？How do we use them to do the experiment？ Fill out the charts.

　1.Put the candle in the candleholder.

1、I’m sure nobody will see it！

be sure

I’m sure to succeed.

I’m sure that I will succeed.

Be sure to drive carefully.

3、Preview Lesson 30.

Language notes：