Unit 7 课时6 Project（同步课件）-【上好课】2024-2025学年七年级英语上册同步精品课堂（沪外教版2024）

Project Global warming Unit Task Task: Do an experiment to model the greenhouse effect. Present the steps and the results of the experiment with pictures and an explanation. How does global warming change our world? Greenhouse effect experiment Question What is the greenhouse Materials Two cups, soil, two thermometers, a glass jar Site Outdoor area Study the report to find out how the experiment models the greenhouse effect. Step 1 Task Greenhouse effect experiment Procedure 1. Prepare two cups filled with soil, mark A and B on the cups. 2. Stick the thermometers in cup A and cup B. 3. Put the two cups in the sunlight for 10 minutes and record the temperatures in the two cups in A1 and B1. Task Greenhouse effect experiment Procedure 4. Place the glass jar upside down over cup A for 10 minutes and record the temperatures in A2 and B2. 5. Compare the temperatures in cup A and cup B. Task Greenhouse effect experiment Finding A1 is the same as B1, A2 is two degrees higher than B2. Task Work in groups. Choose the following materials you need to do this experiment and discuss why. What else do you need? Step 2 Write down the experiment steps 3 and discuss what results to record. Step 3 Do the experiment with your group members. Step 4 Giving instructions to group members when doing an experiment. Tips Break down a task into smaller steps. Use clear action verbs like “fill ... with ...” “pour ... into ...” “stick ... in ...”. Key phrases Everyone, pay attention. Are we all set for the next step? Next, you need to ... Can you measure the temperature, please? Be careful when ... Now, let’s record the observation. Teen skills Observe the experiment and record the results. Step 5 Report your experiment to the class. Step 6 The Greenhouse effect Homework Try to improve your experiment during the weekend. Make a short video about your experiment and collect some more records. Lavf56.40.100 $$null