Unit 1 Our living planet Extended reading & Project 课件-2022-2023学年高中英语译林版（2020）选修第一册

Unit 1 Our living planet P5 Extended reading Inside the Earth What do you know about the inside of the Earth? What is the inside of the Earth made up of? And What are the features of each part? The Earth is composed of three layers: the crust, mantle and core. Crust(地壳) Mantle(地幔) Inner core (内核） Outer core (外核) Core (地核) a thin layer of rock on the Earth's surface hot, slow-moving rock below the crust and surrounding the core extremely hot, liquid iron mixed with other components, covering a solid centre, which is the innermost part of the Earth Now let's read the article and comic strip from a science magazine about the inside of the Earth to learn more details. Look through the article quickly and complete the following table about its outline. Read for structure Inside the Earth Para. 1: Introduction to the topic of studying the ________________ of the Earth Para. 2: The __________ of studying the inside of the Earth Para. 3: The other ________ of studying the inside of the Earth Para. 4: The ______________________ of studying the inside of the Earth challenges benefits importance / significance internal structure Write a summary of the science magazine article. Use the following ideas to help you. • The Earth's internal structure • Ways to learn about the inside of the Earth • Challenges of studying the inside of the Earth • Benefits of the study P12 A Step 3 Reading Answer the questions below according to the article on P11. (1) What are the ways to learn about the inside of the Earth? Analyzing earthquake waves and drilling very deep holes into the Earth. (2) What are the challenges of studying the inside of the Earth? The Earth’s intense pressure and heat, as well as the difficulty in choosing the right place to drill. (3) What are the benefits of studying the inside of the Earth? It not only enables us to gain a better understanding of the geology of the Earth, but also opens up many possibilities for life above ground. Read the comic