Unit 10 Air 第三课时课件

课件32张PPT。Oxford 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 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！×gagegoodagegame×Let’s judge！√×snakepleasuretelevisionusuallyOur futureThink and sayWhich do you want?Make a poster about AIRWe only have one Earth!
We must keep it healthy!Homework1. 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 60 and 61.