word text knowledge note experiment THINK ABOUT IT! Do you think science is interesting? How many expriments have we learned in the last few lessons of this unit? Name one or two famous Chinese scientist. What do you know about them?(If you cant speak in English you can speak in Chinese) 1.Light the candle. light* [V.] .eg:Lets light the fire. * [n.] , , , eg:This light is too poor to read by. * [adj.] ; , eg:That case is too light the little girl can carry it. 2.It uses up oxyge in the air. Use up eg:We have used up the matches. 4. There is about one-fifth oxygen in the air, so the water rises and fills about one-fifth of the jar. s. eg: 1/2 one second 2/3 two thirds 3.There is about one-fifth oxygen in the air. 1 s >1 s. eg:1/2=one(a) half one second(one-second) 1/3=one third (one-third) 2/3=two third (teo-third) 1/4=one/a quarter (one-quarter) 3/4=three quarters (three-quarters) 3/5=three fifths (three-fifths) Read the text and fill in the blanks. Let s do an experiment. First find a_____ then put it in _________. Where is the candleholder? Put it in the____. _____ the dish_____ full of water. After that, we can_____ the candle. Let the candle_____ for two or three minutes. At last put the jar____ the candle. What can we see? As the candle burns, it____ up oxygen in the air. When the candle stops_______, it has used up all the oxygen. The water inside the jar goes____. candle candleholder dishFill half lightburn over uses burning up 1. As the candle burns,it__ __ oxygen__ __ __. 2. Now there __ about __oxygen in the air of the bottle. 3.(2005, ,46) This is a big class,and __of the students are girls. A.Two third B.secone three C.two thirds D.two three 1.Learn the words and expressions by heart. 2.Finish off exercise book for lesson 30 3.Do the experiment for lesson 30 1. New words in the lesson; 2. Do the experiment in lesson Weird Mud; 3. Exercise Book.