(
课件网) Unit 3 The World of Science Writing an experimental report To learn to analyse the structure of an experiment instruction. To learn to write a report of the experiment. Learning objectives Read the instructions for the experiment and answer the questions. (P46-5) 1. What do you think the results of this experiment will be 2. What can you learn from this experiment Pre-writing Read the instructions for the experiment and answer the questions. (P46-5) 1. What do you think the results 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. Pre-writing Watch Egg in a Bottle Experiment Complete the boxes with the information in Activity 5. Do further research if necessary.(P47-6) Pre-writing Key prove whether air pressure really exists。 While-writing a boiled egg, a glass bottle whose neck is a bit smaller than the egg, and some hot water First, I removed the shell of the egg. Then, I carefully poured some hot water into the bottle, and shook the bottle gently. After a few minutes, I poured out the hot water. Just at the same time, I quickly placed the egg on top of the bottle While-writing Key air pressure indeed exists, and it is very powerful. It is the force of the air that pushed the egg into the bottle While-writing Summarize the structure of an experiment report. an experiment report Introduction Main body Conclusion Introduce the aim of the experiment. Describe the materials used in the experiment and explain the procedures. Report the results and what you have learnt. While-writing Write an experiment report. Use the expressions in the box to help you. Do further research if necessay.(P47) Useful expressions: · The experiment is designed / aimed to... · I prepared..., including... · First..., then..., after... · After the experiment, I can draw a conclusion that... While-writing □ Does the reprot include the key points □ Is the report organized according to the layout offered □ How is the language □ How is the handwriting □ How is the paper design Pair work: Use the checklist to give feedback on your partner’s draft. Post-writing Share your report! Individual work: Edit your draft and then share your biography with the class.(P47-7) Post-writing The experiment is designed to prove whether air pressure really exists. At the beginning of the experiment, I prepared the materials, including a boiled egg, a glass bottle whose neck is a bit smaller than the egg, and some hot water. With all the things prepared, the experiment began. 目的是 水煮鸡蛋 （物体的）颈部 Reference Text First, I removed the shell of the egg. Then, I carefully poured some hot water into the bottle, and shook the bottle gently. After a few minutes, I poured out the hot water. Just at the same time, I quickly placed the egg on top of the bottle. T ... ...
