外研版（2019）必修第一册 Unit 5 Into the wild The Monarch’s Journey 课件（共24张）

(共24张PPT)
B1 U5 Into the Wild
The Monarch’s Journey
（第一课时）
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:
The monarch butterflies’ migration.
What does this passage
talk about
Pre-reading
Prediction
Guide:
Mrs Niu
Visitors:
Class 11
Let’s start our journey to explore monarch butterflies together!
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
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
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!