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Learning method:?
Listen, say, read and write.
Learning steps:
Setp1.Class opening
1.Revision :Which experiment did you learn in this unit?
2.Presentation
Step 2. Reading
Read the new words and write.
Step 3. Experiment
Watch the experiment. Sum up steps of experiment.
Step 4. Listening
Listen to the tape and find out the useful expressions and the difficult points,and think about "what will happen?".
Step 5. Explain and writing
1. light
①作动词:意思是点燃;
②作名词:意思是光,光线,灯;
e.g. The light is too poor to read.
There are two lights in our classroom.
③做形容词:意思是轻的,不重的;
e.g. This coat is light but very warm.
2. use up? 意思是耗尽,耗费;
e.g. We have used up the ink.
3. 分数的表达法:口诀:分子基,分母序,分子>1,分母加s
e.g. one-fifth; two-thirds
Step 6. Do exercises
? 1.??You are very tired. You’d better stop ______ (have) a rest.
2. What do you use to make a candle _____ (burn)?
3. You should put the jar over the candle ________ (careful).
4. He kept the candle _______ (burn) for two hours.
5. It’s time ______ (play) basketball.