课件39张PPT。Period 1Oxford EnglishModule 4 The natural world10 AirThis is our home.Look and readWe live on the Earth.
There are many natural elements around us.
We cannot live without them.
They are everywhere around us.Look and readnatural elements Mind-mapThink and say What is it?watersunskywindairlightLISTEN AND GuessairThink and sayAir is …
Air has …
We need air to …
We can … with air.What do you know about air?
Air is everywhere around us. Think and sayAir has no smell. Air has no taste.
Air has no colour. Air has no shape.
When the wind blows, we can feel it.
We need air to breathe.
We need air to survive.
It keeps us alive.Look and readDoes air have taste or smell?No.Ask and answerIt uses hot air.How does a balloon lift people up?Ask and answerHow do kites and planes stay in the sky?They ride on air.Ask and answerWhat is it?Does it have any colour or taste?Can you see or feel it?What is it?Does it have any colour or taste?Can you see or feel it?It is air.No, it doesn’t.I cannot see it, but I can feel it.It has no ______ or _______.
It has no _______ or _______.
We cannot ____ it, but we can ____ it.
Think and completecolourshapesmelltasteseefeelWhy is it important?Because we all need it to keep us alive.It is __________.
It is important to all ______.
It is also important to ______ and _____.
We all need it to keep us _____.everywherepeopleanimalsplantsaliveThink and completeWhat other things need air?Kites, hot-air balloons, planes
and birds.Look at the _____ and the ______.
Look at the _____ and the _____.
They all need it too.
It keeps them _____ in the sky.kiteballoonplanebirdhighThink and completeIt keeps them high in the sky.It is air.
It has no colour or shape.
It has no smell or taste.
We cannot see it, but we can feel it.
It is everywhere.
It is important to all people.
It is also important to animals and plants.
We all need it to keep us alive.
Look at the kite and the balloon.
Look at the plane and the bird.
They all need it too.
It keeps them high in the sky.
Read and reciteparachuteHow to make a parachute?What do we need?a piece of cloth
four pieces of string
a small toyTake a piece of cloth.Tie a piece of string
to each corner.Bring the four pieces of string together and tie them to a small toy.Throw the toy up in the air.What happens?How to make a parachute?1. The parachute falls down quickly / slowly.2. The parachute is open / closed.3. The parachute hits the ground
gently / heavily.4. There is air / water in the parachute.Think and chooseThe toy moves slowly in the air.Homework1. Listen to and read Student’s Book pages 68 and 72.
2. Recite the riddle in “Listen and say” on Student’s Book page 68.
3. Make a toy parachute.
4. Finish Workbook pages
68 and 70.
课件35张PPT。Period 2Oxford EnglishModule 4 The natural world10 AirAir has no ______ or _______.
Air has no _______ or _______.
We cannot ____ it, but we can ____ it.
Read and completecolourshapesmelltasteseefeelAir is __________.
It is important to all ______.
It is also important to ______ and _____.
We all need it to keep us ____.everywherepeopleanimalsplantsaliveRead and completeLook at the _____ and the ______.
Look at the _____ and the _____.
They all need it too.
It keeps them _____ in the sky.kiteballoonplanebirdhighRead and completeIt has no colour or shape.
It has no smell or taste.
We cannot see it, but we can feel it.
It is everywhere.
It is important to all people.
It is also important to animals and plants.
We all need it to keep us alive.
Look at the kite and the balloon.
Look at the plane and the bird.
They all need it too.
It keeps them high in the sky.
What is it?
It is air.How to make a parachute?Think and say1. The parachute falls down slowly.2. The parachute is open.3. The parachute hits the ground gently.4. There is air in the parachute.Read and sayAir is very important!
Why?Think and sayThe air is dirty in some places.
We call this air pollution.
Look and readAir pollution is harmful!
1 It’s harmful to the health of people.
2 It’s harmful to the nature.
3 The polluted air spreads easily.
4 Air pollution is a global problem.
5 People should stop using coal.What’s the matter?air pollutionAir pollution
Air keeps us alive.
We get sick if the air is too dirty.
Where does air pollution come from?Ask and answersmokeWhere does air pollution come from?It comes from the smoke.Ask and answerWhere is the smoke from?It comes from cars, buses
and factories.Ask and answerfactoryfactoryfactoriesWhat’s the matter with Kitty?
It’s the smoke.It’s from the cars, buses and the factory. Her eyes hurt.What hurts her eyes?Where is the smoke from? What’s the matter, Kitty? Are you crying?
I’m not crying. My eyes hurt.
It’s the smoke.
Where is the smoke from?
It’s from the cars and buses.
Look at the black smoke from the factory.
It makes the air dirty.
Let’s go to the park, Ben.
The air is clean there.
OK.The air is so fresh here.
Yes. There are a lot of trees in the park. Trees keep the air clean.
We should plant more trees and keep the air clean.
Yes! We should keep our city clean.How is the air?
dirtyHow is the air in the picture?
It’s dirty.How is the air in the picture?
cleanHow is the air in the picture?
It’s dirty.How is the air in the picture?
It’s clean.factorysmokedirtycleanRead and spellAPI and Health Implications (Daily Targets)
API Air Pollution Index
Level：
0 - 50 Excellent
51 -100 Good
101-150 Slightly Polluted
151-200 Lightly Polluted
201-250 Moderately Polluted
251-300 Heavily Polluted
300+ Severely Polluted
Homework1. Listen to and read Student’s Book page 70.
2. Read, copy and spell the words:
factory, factories, smoke, dirty, clean
3. Think about how to keep the air clean.
4. Finish Workbook pages 69 and 71.
课件37张PPT。Period 3Oxford EnglishModule 4 The natural world10 AirfactorysmokedirtycleanRead and spellWhat’s the matter, Kitty? Are you crying?
I’m not crying. My eyes hurt.
It’s the smoke.
Where is the smoke from?
It’s from the cars and buses.
Look at the black smoke from the factory.
It makes the air dirty.
Let’s go to the park, Ben.
The air is clean there.
OK.The air is so fresh here.
Yes. There are a lot of trees in the park. Trees keep the air clean.
We should plant more trees and keep the air clean.
Yes! We should keep our city clean.
The smoke in the street comes from cars, buses and factories.
The air is dirty in the street.
The air is clean and fresh in the park.
There are a lot of trees in it.
Trees keep the air clean.Look and readIs air important? Why?Think and sayAir, water and food keep us alive.We can live without food for five weeks.We can live without water for five days.We can live without air for only five minutes.Look and sayThe air on the Earth is getting dirty.Look and sayAir pollution comes from factories.
Look and sayAIR POLLUTION Look and readWe burn coal to make electricity.
Factories give out a lot of smoke.Look and readLook at the pictures.
Talk about them with your classmates.Think and sayS1: 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 …Ask and answerThink and writepeachlunchchurchchesscherrychaseshinesheshoeflashdishbushjetjokejeepjadeLet’s judge！peachlunchchairchess√√Let’s judge！√shebushshesheep√Let’s judge！√jamjumpjobjoke√Let’s judge！×gaugegoodagegame×Let’s judge！√×snakepleasuretelevisionusuallyOur futureThink and sayWhich do you want?Make a poster about AIRWe only have one Earth!
We must keep it healthy!Let’s learn moreLet’s learn moreLet’s learn moreLet’s learn morekettleSteamboillidMachinesLet’s learn moreFTTFFHomework1. Listen to and read “Listen and say” & “Say and act” on Student’s Book pages 68 and 70.
2. Finish your poster about air.
3. Finish Workbook pages 72 and 73.
