Unit 3 The world of science（共3份）——高一英语外研版（2019）必修第三册教材习题

Unit 3 The world of science Developing ideas———高一英语外研版（2019）必修第三册教材习题 Activity 2 Read the passage and find out what Franklin’s experiment aimed to prove. Answer: It aimed to prove that lightning was a form of electricity. Activity 3 Number the statements to show how people’s attitudes towards Franklin’s experiment have changed. ( ) Franklin’s spirit of scientific exploration is still considered an inspiration. ( ) People are amazed at and inspired by Franklin’s experiment. ( ) Scientists question what really happened in Franklin’s experiment. Answer: 3 1 2 Think & Share 1 Do you think it matters that Franklin’s experiment might not be true Why Answer: It depends. Although the experiment is not true, it amazed us by Franklin’s bravery, his scientific approach to looking for the truth and his spirit of scientific exploration. However, for the development of science, experiments must be based on facts. 4 In what ways do scientists contribute to society Answer: It depends. Although the experiment is not true, it amazed us by Franklin’s bravery, his scientific approach to looking for the truth and his spirit of scientific exploration. However, for the development of science, experiments must be based on facts. Activity 5 1 What do you think the results of this experiment will be Answer: The egg will squeeze into the bottle. 2 What can you learn from this experiment Answer: The experiment shows us the effects of air pressure. Air pressure indeed exists, and it is very powerful. Activity 6 Complete the boxes with the information in Activity 5. Do further research if necessary. Answer: This experiment is designed toto prove whether air pressure really exists. I prepared a boiled egg, a glass bottle (bottleneck a bit smaller than the egg) and hot water to do this experiment. 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. After the experiment, I can draw the conclusion that air pressure indeed exists, and it is very powerful. It is the force of the air that pushed the egg into the bottle. 【Sample】 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, l quickly placed the egg on top of the bottle. To my amazement, the egg squeezed into the bottle at once. After the experiment, I can draw the conclusion that air pressure indeed exists, and it is very powerful. It is the force of the air that pushed the egg into the bottle.Unit 3 The world of science Using language———高一英语外研版（2019）必修第三册教材习题 Activity 1 Look at the sentences from the reading passage and answer the questions. a I guess you have been asked about the title of your book before. b New inventions like 3D printers have been used to make replacement hearts and bone part ... ...