Unit 7 How do things change:Period 2课件+素材(共31张PPT)

资源下载
  1. 二一教育资源

Unit 7 How do things change:Period 2课件+素材(共31张PPT)

资源简介

(共31张PPT)
Period 2
Let's make ice cream!
How do things change
Think and say.
Do you like ice cream
Where do we keep ice cream
We keep ice cream in the ...
fr
Look and say.
Mr Gao
Science teacher
Who are they
Mrs Tan
Grade 4 teacher
Lu Hang
Jia Li
Ma Tao
Students
Look and answer.
Look at the students and Mrs Tan.
What are they looking at
How do they feel Why
happy
sad
surprised
angry
...
Listen and follow.
Mrs Tan: Today is our school party.
Let’s get the ice cream.
It’s in the freezer.
Lu Hang: Oh no! The freezer door
is open.
Jia Li: Look at the ice cream!
Mrs Tan: Now there’s no ice cream
for the party.
Read and answer.
Why does the ice cream melt
Now there is no ice cream.
What can the students do
What do they use
Watch and answer.
What can the students do
Look and choose.
Make some ice drink.
Make some fruit juice.
Make some ice cream.
Buy some ice cream.
A B C D E F G H
What do the students use to make ice cream
Look and choose.
The students make some ice cream.
They use ...
The students make some ice cream.
They use ice, sugar, salt, cream and chocolate.
What else do the students use
Listen and follow. Then say.
The students make some ice cream.
They use ice, sugar, salt, cream and chocolate.
They also use ...
Mr Gao: Shall we make some more
Students: Sure! But how
Mr Gao: Don’t worry! I can teach you.
Students: Great!
Mr Gao: OK, kids. Get some big and small plastic bags.
Then come to the classroom.
plastic bags
Read in groups.
Listen and order.
How do the students make ice cream
Put the mixture in a small bag.
A
Mix the sugar and cream.
Put salt and ice in the big bag. Put the small bag in it too.
Shake the bags.
B
C
D
B
A
C
D
Listen and follow.
Look and learn.
Put the mixture in a small bag.
Mix the sugar and cream.
Put salt and ice in the big bag.
Then put the small bag in it too.
Shake the bags.
The ice is freezing the mixture!
We have ice cream.
Read in groups.
Look and say.
Put the mixture in the ...
Mix ... and ...
Put ... and ... in the ... bag.
Then put the ... in it too.
Shake the ...
... is freezing ...
We have ...
What do we need to make strawberry ice cream
Think and choose. Then say.
Let’s make strawberry ice cream.
We need ...
Things can be mixed together to make something new.
Ice cream is a mixture of ice and cream.
A. Read and match.
Read and match.
What are the cause and effect
Cause
Effect
A cause is why something happens.
The effect is what happens after the cause.
Look and say.
Cause
Effect
The freezer door is open.
so
The ice cream melts.
The teachers help
the students.
The students can
make ice cream.
The teacher puts the small bag of mixture
in the big bag.
The mixture freezes.
B. Read again and talk.
Think and tick.
What do the students use to make ice cream
sugar salt cream ice chocolate strawberries ...
The students use ... to make ice cream.





Ask and answer.
sugar salt cream ice chocolate strawberries ...





What do the students
use to make ice cream
They ...
How can you make things change
Watch and think.
Discuss in groups.
How can you make things change
When we ..., ... changes into ...
...
...
Share and talk.
When we freeze the water, it changes into ice.
When we ..., ... changes into ...
fr
fresh
fruit
freeze
Learn the sounds.
Ask and answer.
freezer
frozen
fr
frog
from
Friday
friend
Think and read.
Listen, follow and read.
Let’s put fruit juice in the freezer
To make a frozen treat!
Listen, follow and read.
The fruit juice gets so cold.
It freezes into ice.
It turns into a lolly.
That really tastes nice.
Read and compare.
fl or fr
frog
flower
fruit
freezer
Watch and follow.
Look and read.
Let’s put fruit juice in the freezer
To make a frozen treat!
The fruit juice gets so cold.
It freezes into ice.
It turns into a lolly.
That really tastes nice!
1. 朗读课本PP64-65的内容。
2. 说一说孩子们是如何制作冰激凌的。
Assignments:

展开更多......

收起↑

资源列表