Unit 3 The world of science Developing ideas Writing 课件-2022-2023学年高中英语外研版（2019）必修第三册

Developing ideas--writing The World of science Writing an experiment report Read the instructions for the experiment and answer the questions. Magic bottle Materials A boiled egg A glass bottle (bottleneck a bit smaller than the egg) Hot water Procedure 1. Remove the shell of the egg. 2. Carefully pour some hot water into the bottle. 3. Shake the bottle gently. 4. Pour out the hot water. 5. Quickly put the egg on top of the bottle. Result Note: Do the experiment under the instructions of a teacher. What did I do? 1. What do you think the result of this experiment will be? 2. What can you learn from this experiment? The egg will squeeze into the bottle. The experiment shows us the effects of air pressure. Air pressure indeed exists, and it is very powerful. 1. What do you think the result of this experiment will be? 2. What can you learn from this experiment? 3. Why did my experiment fail? The egg will squeeze into the bottle. The experiment shows us the effects of air pressure. Air pressure indeed exists, and it is very powerful. 1. The bottleneck is too small. 2. The water is not hot enough. 3. The pressure…… Complete the boxes with the information in Activity 5. Do further research if necessary. Introduce the aim of the experiment. This experiment is designed to _____________________________________________________________________________________________________________________ Introduction show that air pressure indeed exists and it is very powerful. Main body Describe the materials used in the experiment and explain the procedure. I prepared_____________________________________ to do this experiment. Procedure : __________________________________________________________________________________________________________________________________________________________________________ a boiled egg, a bottle, some hot water First, remove the shell of the egg. Then, carefully pour some hot water into the bottle and shake the bottle gently. At last, pour ou