内容正文:
Unit 10 Air
What keeps the hot air balloons fly in sky?
Think and say
Air
Think and say
Air keeps the hot air balloons fly in sky.
Air
Ask and answer
Does air have any colour?
No. It has no colour.
Ask and answer
Does air have any shape?
No. It has no shape .
Ask and answer
Does air have any smell?
No. It has no smell .
Ask and answer
Does air have any taste?
No. It has no taste.
Ask and answer
Can we see or feel air?
We cannot see it, but we can feel it.
Ask and answer
Where is air?
It is everywhere.
…
in the football
in the water
in the sky
Let’s watch
Let’s retell
features
of air
no
colour
shape
smell
taste
cannot see
can fell
everywhere
Watch and answer
Why is air important?
Because we all need it to keep us alive.
Let’s learn
live
/ i /
alive
/ai/
Look and choose
alive
dead
Look and say
Why is air important?
It keeps __________ alive.
people
animals
plants
Read and complete
It is ___________ to all people.
It is also important to _________ and _______.
important
animals
plants
We all need it to ______________.
keep us alive
Let’s retell
fuctions
of air
important
people
animals
plants
keep …alive
Let’s watch
Watch and answer
What can air do?
It keeps _________ high in the sky.
ballons
kites
Watch and answer
What can air do?
It keeps _________ high in the sky.
planes
birds
Read and complete
Look at ________ and ____________.
They all _____________ too.
The air __________________ in the sky.
the balloon
the kite
the plane
the bird
need it
keeps them high
Look at ___________ and ____________.
Let’s retell
fuctions
of air
important
people
animals
plants
keep …alive
useful
balloon
kite
plane
bird
keep … high in the sky
Read and complete
It has no ________ or ________.
colour
shape
It has no ________ or ________.
smell
taste
We ______________, but we ____________.
cannot see it
can feel it
It is ____________.
everywhere
It is ___________ to all people.
It is also important to _________ and _______.
important
animals
plants
We all need it to ______________.
keep us alive
Look at ________ and ____________.
They all _____________ too.
The air __________________ in the sky.
the balloon
the kite
the plane
the bird
need it
keeps them high
Look at ___________ and ____________.
features of air
fuctions of air
Think and answer
What else can air keep high in the sky?
It keeps _________ high in the sky.
…
Think and answer
What can air do?
It keeps _______________ moving.
It keeps _________ sailing.
the windmill
the ship
What if there is no air on Earth?
Earth will burn.
No water.
No animals.
No plants.
No people.
Dead earth.
What do you think of air ?
I think air is __________. (important / useful )
__________ need air.
Air can keep __________ alive / flying / high .
air
everywhere
alive
balloon
Let’s review
air
no
colour
shape
smell
taste
cannot see
can fell
everywhere
fuctions
of air
fuctions
of air
important
people
animals
plants
keep …alive
useful
balloon
kite
plane
bird
keep … high in the sky
第二课时
31
Watch and answer
1. Where are they?
They are ________.
2. How is the air?
The air is ______ in the ______.
第二课时
32
Let’s watch
Watch and answer
1. Where are they?
They are on __________.
2. How is the air?
The air is ________ in the _________.
the street
street
dirty
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Let’s learn
The air is dirty.
The air is clean.
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Let’s learn
dirty
bird
third
shirt
/ə:/
They are dirty.
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Look and choose
dirty
clean
The room is ________.
dirty
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Look and choose
dirty
clean
The water is ________.
clean
第二课时
38
Listen and choose
What’s the matter with Kitty?
A. Her eyes hurt because of the smoke.
B. Her mouth hurts because of the smoke.
C. Her throat(喉咙) hurts because of the smoke.
Let’s learn
smoke
nose
The smoke is black.
small
第二课时
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__________________, Kitty? Are you crying?
I'm not crying. My eyes _____. It's the _______.
What's the matter
hurt
smoke
Listen and complete
Look and say
Where is the smoke from?
It is from _____, _______ and__________.
cars
buses
factories
Let’s learn
factory
second
He works in a factory.
bag
very
factories
第二课时
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where is ___________ from?
It’s from the ___________________.
cars and buses
the smoke
Listen and complete
Look at the black smoke from the ________. It makes the air______.
factory
dirty
Listen and complete
What makes the air dirty?
The smoke.
Air pollution
Let’s watch
Look and say
Where else is the smoke from?
The smoke is from __________________ and __________.
the burning wood
fireworks
Let’s watch
Effects of air pollution
1.People’s health(人类的健康)
4.Traffic (交通)
3.Historical buildings(历史建筑)
2.The growth of plants(植物的生长)
Let’s watch
Watch and answer
1. Where do they go?
They go to _____________.
2. How is the air?
The air is ______ in the ______.
第二课时
52
Let’s watch
Watch and answer
1. Where do they go?
They go to __________.
2. How is the air?
The air is ______ in the ______.
the park
clean
park
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Let’s ______________, Ben.
_________________ there.
go to the park
The air is clean
OK!
Read and complete
Watch and answer
1.How is the air in the park?
2. Why?
第二课时
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Let’s watch
Watch and answer
1.How is the air in the park?
2. Why?
It's clean and fresh.
Because there are a lot of trees in the park. Trees keep the air clean.
第二课时
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Why do trees keep air clean?
We should plant more trees and keep the air clean.
Yes! We should keep our city clean.
Listen and answer
What should we do to keep the air clean?
We should plant more trees.
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Let’s watch
Complete the notes
cars
buses
factory
dirty
clean
fresh
trees
clean
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Look and say
What else should we do to keep the air clean?
We should ______________________.
ride bikes more often
take the bus
take the underground
第二课时
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Look and say
What shouldn’t we do to keep the air clean?
We shouldn’t ______________________.
play fireworks a lot
drive cars often
cut down tress
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Ask and answer
第二课时
66
Ask and answer
S1: what makes the air dirty?
S2: The smoke from … makes the air dirty.
S1: What should we do to keep the air clean?
S2: we should ….
第二课时
67
Plant a tree
you need to answer some questions for watering the tree. Finally there is a tall tree for you.
68
Ask and answer
1.Does air have color, shape, taste or smell?
Air has no color, shape, taste or smell.
2.Can you see it?
We can see air, but we can feel it.
3.Where is air?
Air is everywhere.
第二课时
69
Read and choose
Air is important. It keeps people, animals and plants .
We all _______ it to keep us alive.
Air is useful. Air birds, planes and kites flying high in the sky. It keeps boats sailing in the sea. People use air to make windmills moving. People _______air to make air-conditioners(空调) working.
keeps
need
use
alive
第二课时
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Ask and answer
What makes air dirty?
Smoke from makes air dirty.
cars
buses
factories
burning wood
fireworks
第二课时
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Ask and answer
What should we do to keep it clean and fresh?
should
plant more trees
shouldn't
cut down trees
take buses or underground
often ride bikes
often drive cars
play fireworks a lot
第二课时
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Let’s make a mind map
It keeps
plants
animals
people
alive
factories
cars and buses
firecrackers
ride a bike
plant more trees
take buses or undergrounds
cut down trees
often drive cars
play with fireworks
Air
Why is it important?
What makes the air dirty?
What should we do?
We should
Smokes from
We shouldn’t
第二课时
77
Think and write
plants
animals
people
factories
buses
cars
ride a bike
plant more trees
第二课时
78
Let’s watch
Watch and answer
What do we need?
a piece of cloth (布)
four pieces of string(线)
a small toy
Look and say
How to make it?
4. T_____ u___ the toy in the a____.
1. T_____ a piece of cloth.
2. T___ a piece of string to e____ c______.
3. Bring the four pieces of string t________.
T_____ them to a toy.
ake
第二课时
81
Look and say
How to make it?
4. T_____ u___ the toy in the a____.
1. T_____ a piece of cloth.
2. T___ a piece of string to e____ c______.
3. Bring the four pieces of string t________.
T_____ them to a toy.
ake
ie
ach
orner
第二课时
82
Look and say
How to make it?
4. T_____ u___ the toy in the a____.
1. T_____ a piece of cloth.
2. T___ a piece of string to e____ c______.
3. Bring the four pieces of string t________.
T__ them to a toy.
ake
ie
ach
orner
ogether
ie
第二课时
83
Look and say
How to make it?
4. T_____ u___ the toy in the a____.
1. T_____ a piece of cloth.
2. T___ a piece of string to e____ c______.
3. Bring the four pieces of string t________.
T__ them to a toy.
ake
ie
ach
orner
ogether
ie
hrow
p
ir
第二课时
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Look and say
What happens?
air
Air keeps it high in the sky.
第二课时
85
Rule 1 –[ tʃ ]
ch
chair
China
rich
each
Learn the sounds
第二课时
86
Rule 1 –[ dʒ ]
g
giraffe
age
orange
danger
Learn the sounds
第二课时
87
Learn the sounds
Rule 2 –[ dʒ ]
j
job
juice
jam
jump
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Learn the sounds
a pair of sounds (一对清浊辅音)
voiced
(声带振动,有声音)
Our mouth and tongue are at the same position.
(口型和舌位位置相同)
voiceless
(声带不振动,轻声)
相同:
不同:
第二课时
89
Rule 1 –[ ʃ ]
sh
share
shirt
fish
brush
Learn the sounds
第二课时
90
Rule 1 –[ ʒ ]
s
usually
pleasure
television
Learn the sounds
第二课时
91
Learn the sounds
a pair of sounds (一对清浊辅音)
voiced
(声带振动,有声音)
Our mouth and tongue are at the same position.
(口型和舌位位置相同)
voiceless
(声带不振动,轻声)
相同:
不同:
第二课时
92
Listen and circle
job shop
cheap jeep
choose juice
skirt shirt
chair hair
giraffe usually
第二课时
93
Bye-bye
say and act
$$