Unit 5 Into the Wild Understanding ideas The Monarch’s Journey 课件 -2025-2026学年高一英语外研版必修第一册

B1 U5 Into the Wild The Monarch’s Journey （第一课时） 1 Get prepared for our class! 1. Turn to page 111 ;read the new words aloud. （大声读单词） 2. Be in high spirits.(精神抖擞) 3. Think actively.（积极思考） Look at the pictures and answer the question. What will they do if they feel cold or hungry. ----They will Migrate. Migration is an annual movement in which many animals move from one place to another at certain times of the year. Lead - in 情境导入 Introduction: The monarch butterfly The monarch butterfly is a kind of beautiful insect with fine black and orange wings(翅膀). It usually has a life of 6 weeks, and it is the only butterfly that can migrate. 100% black Lead - in 情境导入 By the end of the class, you will be able to: 1. Get some information about the migration of monarch butterfly; 2. Understand what is “cause and effect”; 3. Understand the situation of monarch butterflies and how to protect them; 4.Raise your awareness to protect animals or nature. Learning objectives: 5 The monarch butterflies’ migration. What does this passage talk about? Pre-reading Prediction 6 Guide: Mrs Niu Visitors: Class 11 Let’s start our journey to explore monarch butterflies together! 7 Individual learning (自主学习) Read the passage quickly and silently and finish task1. (3mins) Read part 1 and part 2 carefully and finish task 2. (5mins) Read fast and match the main idea with each paragraph Para. 1 Para. 2 Para. 4 Para. 5 a. The effort of human to protect the monarch b. The brief introduction of migration c. The situation of the monarch d. How to migrate? e. A science study on migration Para.3 2mins Task 1: Read for main idea Tips: Don’t read word by word! Just read the first and last sentence of each paragraph. ①What is migration? Migration is an ______ movement in which many animals move from __________________. ②Which one is NOT the reason why animals migrate? A. to find something to eat B. to look for a company C. to search for warmer place D. to go travelling food partner weather annual one place to another The definition(定义) & reasons of migration Tip: 阅读中常见选项的同义改写 Task2: Read for details Para. 1 Read and Complete Why do we call it “one of the most wonderful migrations”? California Mexico 11 Para 2 When? How long? Where? How? every autumn 4000 kilometers California or Mexico Until recently no one knew how they did this. What do “they” and “this”refer to? People didn’t know how butterflies migrate until recently. How did they make it ? Task2: Read for details Read Para. 2 and answer the questions. Cooperative learning (合作学习) Read paras 3&4 carefully and finish task 3. (3mins) Have a discussion in groups and understand this part better. (4mins) The monarch butterfly is able to tell _________________. Using these two pieces of information, the monarch butterfly determines _______________. The monarch butterfly measures _______________________ with its eyes. The monarch butterfly reaches _______________________________________ the time of day the way to go the position of the sun the places where it will spend the winter. Tell the time of day Measure the position of the sun Determine the way to go Reach the places where it will spend the winter cause（原因） effect（结果） cause - effect flow chart(因果流程图） Task3: Read for details Read Paras3&4 and complete the cause-effect(因果) flow charts The mystery of the monarch's migration. Humans _________ trees. Humans use chemicals that ____________that monarch caterpillars eat. Humans destroy___________________________________where monarchs can be found The monarch butterfly’s population _____________________________ in the last few years. cut down the natural environment of many places kill the plants has crashed by as much as 90 percent h e f g Cause Effect Trouble of the monarch & the reasons Task3: Read for details Read Para.5 to find measures to protect monarch Raise greater awareness Record monarch’s migration Ensure enough plants to feed on Task3: Read for details Think and share Why do scientists do the reserch? Is it meaningful? Significance(意义） Para5. The more_____________________________________ The greater____________________________________ we know about this lovely creature, the chance it will survive and keep its place in the natural world for a long time to come. 我们对这种美丽生物了解越多，它存活的机会就越大，它们在自然界中得以长久生存并保持其位置的可能性就越大。 Where is the passage taken from? (p68 ex3) A. In a scientific research paper about the monarch butterfly’s migration. B. In a popular nature magazine introducing the monarch butterfly. C. In a travel leaflet (小册子) encouraging people to visit North America. Explorative learning (探究学习) Think further and try to finish Task 4 (3mins) What can people do to help protect other insects or animals? Measures Help Live in Harmony with them Protect the natural Environment Love these animals or insects Protect their habitats(栖息地) H E L P Task4: Think and share 21 Protecting wildlife is protecting humans ourselves! Share nature with the earth. The Monarch’s Journey Where Time How Every_________ Travel around 4000 km south to __________or _________ Use _____ to measure_______ ______________and is able to_____________________ Main causes: ____________ such as _______________ and _____________ cutting down trees using chemicals Solution: Make sure that there are _____________for it to feed on enough plants autumn California Mexico position of the sun eyes tell the time of the day human activity Trouble:____________ ___________________________________ its population has crashed by as much as 90% the Summary Homework Write down more measures we can do to protect these wildlife. Thanks for listening! 24 $