选择性必修一 Unit 5 Revealing Nature (3)
Developing ideas
The Secret Language of Plants
Reading
Learning objectives
At the end of the class, you will be able to:
1. find out the ways in which plants communicate; organize
information from the passage and complete a diagram;
2. integrate the information and describe the ways of communication
between plants;
3. voice your opinion of the benefits of studying plant communication.
1. Look at the pictures and tick what plants can do.
Lead in
( ) attack ( ) move
( ) breathe ( ) speak
( ) eat ( ) steal
( ) sleep ( ) think
Lead in
2. Talk about what else you think plants can do
and give examples.
Lead in
Watch a short video to get more information.
Lead in
Things a plant can do:
nurture the young; listen secretly to the neighbors;
move; digest, etc.
Make a prediction.
The Secret Language of Plants
Read for general idea.
Read the passage quickly to find out the general
idea of this passage by using the key words.
Read for general idea.
General idea Para 1: talking trees Para 2: talking plants,
communicate
Para 3: communicate Para 4: communicate
Para 5:
communication
Para 6: talk,
communication
Plants can
communicate
Read for general idea.
Read the passage and find out the ways in which plants
communicate. How many ways are mentioned? What are
they?
Three. Plants can communicate with each other by
using chemicals, sound and “wood wide web”.
How do plants use the ways to communicate? Organise the
information from the passage and complete the diagram.
Read for detailed information.
Modern research is showing that plants can 1 .
Using chemicals
♦
♦
Using sound
♦
※
※
Using the “wood wide web”
♦
♦
♦
Maybe one day we will be able to “talk” with plants.
communicate
with each other
Read for detailed information.
Modern research is showing that plants can 1
Read for detailed information.
communicate
with each other.
Using chemicals
♦ The plant releases chemicals 2 that are being eaten.
♦ When another plant detects the chemicals, it starts to 3
from the
leaves
release its own, different chemicals.
Modern research is showing that plants can 1
Read for detailed information.
communicate
with each other.
Using sound
♦ Some plants make noises 4
♦ A chili plant can 5
♦ Some trees make 6
with their roots.
tell if a neighbouring plant is helpful or unfriendly.
clicking noises when there is not enough
water, indicating drought is arriving.
Modern research is showing that plants can 1
Read for detailed information.
communicate
with each other.
Using the “wood wide web”
• This fungal network links 7
• Plants can 8
to attack other plants.
the roots of different plants to each other.
steal food from each other, or spread poisons
The body part
Plants can
communicate
by using
Usin
g
sou
nd
(P4)
Usin
g
“wo
od
wid
e
web”
(P5)
Usin
g
che
mic
als
(P3)
The body part
It has been known for some time that plants use chemicals to
communicate with each other.
Most surprisingly, plants also use sound to communicate.
Most surprisingly of all, plants have amazing system of
communication that can link nearly every plant in a forest.
Usin
g
soun
d
(P4)
Mod
ern
rese
arch
is
sho
wing
that
plant
s
can
com
muni
cate.
(P1-
2)
Usin
g the
“woo
d
wide
web”
(P5)
May
be
one
day
we
will
be
able
to
“talk”
with
plant
s.
(P6)
Usin
g
che
mica
ls
(P3)
Post-reading
Modern research is showing that plants can communicate.
Maybe one day we will be able to “talk” with plants.
It has been known for some time that plants use chemicals to
communicate with each other.
Most surprisingly, plants also use sound to communicate.
Most surprisingly of all, plants have amazing system of
communication that can link nearly every plant in a forest.
Modern research is showing that plants can 1 .
Using chemicals
♦
♦
Using sound
♦
※
※
Using the “wood wide web”
♦
♦
♦
Maybe one day we will be able to “talk” with plants.
communicate
with each other
Work out the structure of the passage.
Modern research is showing that plants can 1
Using chemicals
♦ Explanation 1
♦ Explanation 2
Using sound
♦ Explanation 3
♦ Example 1
♦ Example 2
Using the “wood wide web”
♦ Explanation 4
♦ Explanation 5
Post-reading
Maybe one day we will be able to “talk” with plants.
communicate
with each other.
Exp
lan
atio
n 2
Intr
od
uci
ng
the
top
ic
Exp
lan
atio
n
3…En
din
g
Exp
lan
atio
n 1
Structure
Show Time
Retell the passage.
Think and Share
Think and Share
(1) What figure of speech is being used when the plants
are described as calling for help? What is its function?
Personification.
It can make descriptions more vivid.
Think and Share
(2) What does “wood wide web” mean?
It means an amazing system of communication that can
link nearly every plant in a forest. It is linked underground
by fungi and this fungal network links roots of different
plants to each other. Using the roots of different plants
can share information and even food with each other.
Think and Share
(3) What do you think are the benefits of studying plant
communication?
e.g. We can use it to grow crops without pesticides.
We can improve crop quality and agronomic performance.
…
Think and Share
(4) What discoveries are described in the two reading passages
in this unit and what do their meanings have in common?
Passage 1 reveals the discovery of evolution and Passage 2
reveals the discovery of communication between plants. They all
reflect that there are numerous secrets in nature that remain to be
explored.
Look at the pictures and tick what plants can do.
Think again and add more.
( ) attack ( ) move
( ) breathe ( ) speak
( ) eat ( ) steal
( ) sleep ( ) think
( ) food
( ) warn
…
Summary
Let animals and plants live happily and harmoniously
with us!
Clear waters and green mountains are as good as
mountains of gold and silver.
Summary
Let’s answer the call of our country to advocate
harmonious coexistence between humans and nature,
and stick to the path of green and sustainable
development.
Homework
Option 1: Write a summary of the passage and state the
importance of studying the language of plants.
Option 2: Watch a documentary to collect more information
about plants and report it to the class.
Option 3: Complete the exercises of the work sheet.