Unit 10 Air 课件

课件38张PPT。Oxford EnglishModule 4 The natural world10 AirThis is our home.Look and readWe live on 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.
When we breathe it,
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?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
a 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
56 and 58.