新冀教版九年级英语上册第25课课件.ppt

Look into Science;Lesson 25;Think about it! 1. What kinds of experiments have you done in science class? 2. If you hold a jar that is filled with water upside down, what will happen?;4;* Why does Danny say they should do this experiment outside? * What will Brian do? * Does Danny have the same theory as Brian’s? ;Lets do it;Step 1 Preparation: Make a list of the materials and tools that we will use in the experiment.;Step 3 Main steps: Write down the steps of doing the experiment. 1. Fill a jar with water. 2. Cover the top with a piece of cardboard. 3. Turn the jar upside down.;How do we do the experiment? Let’s do an interesting experiment. First, I ___ a jar ___ a desk, ___ it ____ water, then _____the top ____ a piece of cardboard. When I ____the jar ______ _____, can you guess what will happen? ;Language points ;1. I fill a jar with water. 我用水把瓶子装满。 fill …with… 用……装满…… He has filled his case with many books. 他已经把书装满了箱子。 cover…with… 用……盖住…… I cover the top with a piece of cardboard.;2. I turn the jar upside down.  我把广口瓶倒置。;3. I’m sure the floor won’t get wet. 我确信地板不会湿。 be sure +that 从句表示“认为……一定……”。 而be not sure表示不确定。 eg. I’m sure she will come here. 我确信她会来。 I’m not sure when he’ll come here. 我不能肯定他什么时候来这儿。;4. We’ll do the experiment and observed what will happen. 我们将做这个实验并观察会发生什么情况。 observed 动词, “观察” observe sb. do/ doing sth. 如： I observed her dance. When I passed by the grass, I observed him walking.;15;根据句意及首字母提示完成下列句子。 1. Do you often do e __________ in your physics class? 2. I’ll p ____ that what he said is right. 3. He likes to read books about s _____. 4. Mr. Smart sat in a corner and o _______ what was going on with this little aunt.;选择与画线部分意思相同或相近的词。 1. Is the theory right or wrong? A. idea B. way C. mind D. answer 2. Don’t turn the bottle upside down. A. away B. off C. up D. over 3. When I do the experiment, you must watch clos