Unit
10
Air
教案
1
Teaching
Aims(教学目标):
1.能听、说、读、写本课的核心词汇：air,
everywhere
,
alive,
smoke,
factory,
smoke,
dirty,
clean,
plant
2.能熟练掌握核心句型：
It
keeps
them
high
in
the
sky.
3.读懂描述空气污染的对话。
Teaching
Importances
and
Difficulties
(教学重难点)：
1.能在语境中正确使用本单元的核心词汇。
2.能用句型It
keeps
them
high
in
the
sky.描述空气的作用。
Teaching
Tools(教学用具)：
录音机、自制课件、照片等
Teaching
Procedures(教学过程)：
StepⅠ.Warm
up
and
revision（热身与复习）
1.
Greetings.
2.
Guessing
game.
Step
Ⅱ.Presentation
and
practice
(自主探究)
1.生词关
T:
Please
write
the
meanings
on
your
paper
air______
smoke
______
factory
________
dirty________
clean______
alive
________
everywhere______
important
______
2.
Learn
the
new
words.
T:
Let’s
listen
and
say
the
new
words.
Ss:
read
these
words
after
teacher.
3.
Work
in
groups
to
read
the
new
words.
Recite
the
new
words,
and
then
recite
in
groups。
4.
Watch
the
screen
and
learn
to
say
the
sentences.
5.
Ask
pupils
to
talk
about
the
famous
cities
of
the
world
in
groups.
Sept
Ⅲ.
Learn
the
story
(文本学习)
T:
Here’s
a
riddle.
It’s
very
long
one.
Please
listen
carefully
and
guess
what
it
is.
What
is
it
Ss:
Air.
T:
Yes,
What
do
you
think
of
air
S1:
Air
has
no
colour.
S2:
Air
has
no
smell
and
taste.
S3:
…
T:
Yes.
We
can’t
see
it,but
we
can
feel
it.
Air
is
important
to
all
living
things.
T:
Can
you
talk
about
air
Work
in
groups.
Ss:
talk
each
other.
Take
the
pupils
to
answer
the
questions
on
Page
69.
Step
Ⅳ.Consolidation（拓展延伸）
Think
and
say:
模仿课文，介绍一样。Unit
10
Air
教案
2
教学目标：
Knowledge
aims：The
students
are
able
to
learn
the
key
words
and
useful
expressions
about
the
air.
Ability
aims：The
students
are
able
to
learn
some
reading
strategies.
They
are
expected
to
find
out
the
key
information
and
to
present
their
point
of
view.
Emotion
aims：
1)
The
students
are
able
to
realize
the
importance
of
protecting
our
environment
and
heighten
their
awareness
of
environmental
protection.
2)
The
students
are
able
to
take
action
to
protect
our
environment
with
their
efforts.
教学重点:
1.
The
key
words
and
useful
expressions
about
the
environment.
2.
To
analyze
the
whole
text
and
know
about
structure
and
the
main
idea
of
the
text.
教学用具：
multi-media;
work
sheets
and
blackboard
教学过程：
Step
1
warming
1.
师生互相问好，教师说出一个关于空气的谜语让大家猜一猜。教师询问同学是否了解空气？空气由哪些成分组成？有什么重要作用？
2.
教师向学生们说说空气的基本知识，介绍目前严重的大气污染状况。
Step
2
Revision
and
Presentation
1.
教师告诉学生我们这节课就要学学如何用英语与同学交流空气的重要作用以及如何保护我们被污染的大气。
2.
教师请学生谈谈大气污染主要有哪些原因，有哪些保护措施。
3.
教师出示单词卡片进行新单词教学，带读并配合肢体动作让同学们印象深刻。
4.
教师播放课文内容录音，请同学们认真听一遍，争取做到理解内容。
Step
3
Practice
1.
分小组讨论练习，两人一组，相互交流大气污染的原因及保护措施。
A:
What
makes
the
air
dirty
B:
…
makes
the
air
dirty.
A:
What
should
we
do
to
keep
the
air
clean
B:
We
should
….
2.
发挥想象力尝试写一句新颖、有趣的口号呼吁大家一起保护空气，同学们比一比谁的口号更与众不同。
Step
4
Summary
教师根据本课时所学内容进行回忆总结，并请同学们谈谈本节课印象最深刻的环节。
Step
5
Homework
1.
学生抄写本课所学单词，一个五遍。
2.用所学句型与父母或朋友进行交谈。
