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(共21張PPT)
Unit5
Into the Wild
Understanding ideas
The Monarch’s Journey
Enjoy a video and answer the questions:
1. What is the video about
2. Finish "Does it migrate " on your book.
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What is the video about
The video is about animal migration.
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Atlantic
salmon
red panda
√
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Siberian crane
√
killer whale
√
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African lion
monarch butterfly
√
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Do you know something about monoarch butterfly
killer whale
Atlantic
salmon
Siberian crane
monarch
butterfly
It is the only butterfly
that migrates on earth.
Skim the passage to answer:
What ’s the genre（體裁） of the passage
A. Narration（記敘文）
B. Argumentation（議論文）
C. Exposition（說明文）
D. A diary
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Where are you most likely to find the passage
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 encouraging people to visit
North America.
（科研論文）
（宣傳冊）
（自然雜志）
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Migration
1
2
3
What
Why
Most wonderful example
annual/yearly movement
to find food, seek a partner , or to search for warmer weather
that of the North American monarch butterfly
Read Para. 1 Lead-in of the topic: the Monarch’s migration
The Monarch’s Migration
1
2
3
when
how long
where
how
every autumn
4000 kilometers
California or Mexico
Read Para. 2-3 Basic information of Monarch’s migration
4
tell the time of the day&use eyes to measure the position of the sun determine the way to go
The monarch butterfly is able to tell ______________.
Using these two pieces of information, the monarch butterfly determines _____________.
The monarch butterfly measures _____________________ ______________with its eyes.
Eventually, 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
d
a
c
b
Complete the flow chart.
If you were the scientists, explain the monarch’s mystery with
because,since,so,as a result,
therefore...
cause
effect
cause
effect
The monarch’s trouble
Read Para. 4
crash by as much as 90 percent
are destroying the natural environment
cut down trees
use chemicals that kill the plants that monarch caterpillars eat.

Read Para.4 The monarch’s trouble and the reason
h
Humans _________ trees.
The _______________________________________ where monarchs can be found is destroyed.
Humans use chemicals that ____________________ that monarch caterpillars eat.
The monarch butterfly’s population ___________________________________ in the last few years.
e
g
f
cut down
natural environment of many places
kill the plants
has crashed (by as much as 90%）
Complete the flow chart.
If you were the local farmers, explain the reason why the monarch is in danger with
because,since,so,as a result,
therefore...
cause
effect
cause
effect
record its migration
make sure there are enough plants for it to feed on
know more about this lovely creature
Read Para.5 Work to protect the monarch
Is it necessary to take measures to protect the monarch Why
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Pollination
授粉
food chain
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It is necessary to take measures to protect monarch butterflies, because they play a significant role in
_______________________________________________________________.
maintaining the balance,diversity and stability of the ecosystem
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Words Bank
maintain v. 維持，保持 stability n. 穩定性 ecosystem n. 生態系統
Further Thinking
Scientist's journey to find the mystery.
Human's journey to protect the monarch butterflies.
Monarch's journey to reach their destination.
The Monarch’s Journey
Scientist
Human
Monarch
Why does the writer use “journey” as the title instead of “migration”
journey:
1. an act of travelling from one place to another, especially when they are far apart.
2. (literary)a long and often difficult process by which someone or something changes and develops.
Reflection
After completing this class, I can rate my performance 1(excellent), 2 (good) or 3 (in need of improvement).
summarize the structure of the text
understand and explain the mystery of monarch’s migration accurately
use “cause and effect” chart to explain reasons and measures correctly
strengthen the awareness of wild animal protection
play an active part in finishing the poster based on the evaluation standard
Homework:
Work in group to make a poster about the monarch butterfly or another endangered animal, including:
its habitat
it population
its distinctive feature
why it has become endangered
any action already taken by people to protect it
what needs to be done to ensure its survival
Evaluation:
the completeness of the content（4 scores）
the accuracy of language（3 scores）
creativity and appeal（3 scores）
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