(共18张PPT)
3
The natural elements
10
Water Festival
1
Reading:
Preparing for the Water Festival
1. ______ % of the surface of the Earth is covered with water.
2. ______% of the water on the Earth is in the ______.
3. Only 3% of the water on the Earth can be used as _______ water.
4. A person can live without food for more than a ______,
a person can only live without water for about one ______.
75
97
oceans
drinking
month
week
Water Quiz.
Brainstorming
We can make_______ with water.
ice cube
iced fruit punch
/ aIs kju:b/
/pQntF/
a glass of lemonade
Summer is coming soon. Let’s have a festival about water.
That’s a good idea. I can make iced fruit punch for my classmates. It’s easy to make.
How do you make iced fruit punch, Kitty
What are they talking about
Kitty is going to make iced fruit punch for her classmates.
tools
ingredients
make ice cubes out of the different kinds of fruit juice.
add the ice cubes to the lemonade. The iced fruit punch is ready.
get a can of lemonade and different kinds of fruit juice.
pour the lemonade into a glass.
First,
Next,
Then,
Finally,
First, get a can of lemonade and different kinds of fruit juice.
Next, make ice cubes out of the different kinds of fruit juice.
Then pour the lemonade into a glass.
Finally, add the ice cubes to the lemonade.
The iced fruit punch is ready.
______, get a ______ lemonade and different kinds of ________.
______, make________ out of the different kinds of fruit juice.
Then _______ the lemonade into a ________.
______, _______ the ice cubes to the lemonade. The
____________ is ________.
First
can of
fruit juice
Next
ice cubes
pour
glass
Finally
add
iced fruit punch
ready
Look at Kitty’s iced fruit punch. What can you see in the fruit punch Look at the outside of the glass. What can you see
If we put the water into the fridge, it freezes and turns into ice.
/fri:z/
If we take out the _______ from the fridge, it melts and turns into _______.
ice
water
When the ______ boils, it turns into _______.
steam
water
When ______ cools down, it ______ ______ ______.
steam
water
lid
/lId/
turns
into
I’ve got some questions for you to think about.
What happens when water boils What happens when water freezes What happens when ice melts What happens when steam cools down
When water boils, it turns into steam.
When water freezes, it turns into ice.
When ice melts, it turns into water.
When steam cools down,
it turns into water.
Water Quiz
1 What happens when water boils
______________________
2 What happens when water freezes
______________________
3 What happens when ice melts
______________________
4 What happens when steam cools down
______________________
It turns into steam.
It turns into ice.
It turns into water.
It turns into water.
Put a dry lid on a glass of hot water. Wait for ten
seconds. Take the lid off. What is under the lid
________________
How does it happen _________________________________________
_________________________________________
Put some ice cubes in a glass of water. Wait for two minutes. Look at the outside of the glass. What is on the glass _______________
How does it happen _________________________________________
_________________________________________
5
6
Drops of water.
The hot water in the glass turns into steam.
The steam turns into drops of water on the lid.
Drops of water.
The steam in the air turns into water on the cold glass.