Warm up : a competition

vitalessential,absolutely necessary

gradual destruction, wearing away

huge,very big

exist,happen,is

kill by covering with water

the mixture of gases which are around the earth

dangers

without any form of life

covering, thickness

the nature world around us

erosion

massive

occur

drown

atmosphere

threats

lifeless

layer

environment

Oxford English 9B Chapter one

The Young Green Consumer

Yangheng middle school

Gu jingjue

THE

YOUNGGREEN CONSUMER

GUIDE

John Elkington and Julia Hailes

The world

need your help

disaster

flowers

The green house

Read the first paragraph

1.Is the greenhouse effect harmful or harmless?

2.What are the results of the Greenhouse Effect?

3.What causes the Greenhouse Effect?

It depends on _______________around the earth.

It may cause _____________rise and ______cities.

More and more ______in the atmosphere.

the atmosphere

the level of sea drown

CO2

The greenhouse effect

Threats to our environment

atmosphere

1.The greenhouse effectSun lights Sun lights

heat heat

The normal earth The earth with greenhouse effect

Threats to our enviroment

1.2 Results of the greenhouse effect

It may cause the ice burgmelt and the level of thesea to rise.

It may drown cities and even whole countries.

What causes the Greenhouse Effect?

Humans are burning fuels such as petrol everyday.

Answer the questions1.Is the Greenhouse Effect harmful or

harmless?

2.What are the results of the Greenhouse Effect?

3.What causes the Greenhouse Effect?More and more CO2 in the atmosphere.

It may cause the level of sea rise and drown cities.

It depends on the atmosphere around the earth.

Listen to the second paragraph

1.What is the ozone?

2.What are the results of damage to the ozone layer?

3.What causes the damage to the ozone layer?

Threats to our enviroment

2. Damage to the ozone layer2.1 What is the ozone layer ？

Ozone is a gas which occurs 20-50km above the ground.

Without it, ________________________

the sun would

burn us up.

It forms an essential protective layer around the earth.

2.2The results of damage to the ozone layer

Cause eyes disease

Skin cancer

Reduce resistance

Holes in the ozone layer

抵抗力

BAD HABITS OF HUMAN

_____________________which are used in fridges and___________,and to make plastic items are making ______in the ozone layer.

Fast food boxes

Chemicals called CFCs

spray cansholes

Answer the questions1.What is the ozone?

2.What are the results of damage to the ozone layer?

Ozone is a gas which occurs 20-50km above the ground. It forms an essential protective layer around the earth.

The sun would burn us up.

We are using chemicals called CFCs which are used in fridges and spray cans and other plastic items.

3.What causes the damage to the ozone layer?

Read the third paragraph

1.What are the results of destruction of the rain forests?

2.What causes destruction of the rain forests?

Plants and animals of the rain forestsLong long ago……

Former area of the rain

forest

热带雨林温带雨林

Threats to our environment

3.Destruction of the rain forests

area of the rain forests nowadays

What would destruction of

the rain forests cause?

erosion of soil

flooding

Answer the questions1.What are the results of destruction of the

rain forests?

2.What causes destruction of the rain forests?

• It is making the Greenhouse Effect worse because trees take in CO2.• It causes erosion of the soil and flooding.• It destroys people and animals who make the forests their home.

Human’s bad habit of burning and cutting down trees.

Serious pollution

Other threats

BAD HABITS OF HUMAN

Human’s bad habits of burning and cutting down trees Cause the destruction of the rain forests 。

BAD HABITS

• Our habit of using things once and then throwing them away creates massive mountains of rubbish.

384400km

That’s the distance from the earth to the moon.

The green Olympic

How can we save the earth?

•We should be the green consumers!

Green food!

Companies have certificates

Cars that don’t

use petrol

Consolidation• The greenhouse effect 1.atmosphere, around, act like, glass, let …in,

while, keep…from, get out. without, earth, as…as , cold and lifeless surface , moon 2.trouble, change, because, pollute with

chemicals. Produce, CO2, by, burn fuels keep in , too much, heat 3.cause, sea, rise, drown , cities ,whole countries

Consolidation

• Damage to the ozone layer

1. ozone, gas, occur, 20-50km, above.

form, protective layer. Without, burn …up.

2.make, holes, in, mainly, by, chemicals, CFCs.

use, in, fridges, spray cans, plastic items

Consolidation

• Destruction of the rain forests

1.burn, cut down, make…worse, because, trees , take in.

2.cause, erosion, soil, flooding, as well as, destroy , make……home

Homework

•Group work 1.find out the bad habits in your

house. 2.make a plan about how to

save the earth!

Homework

•Group work Each group makes a plan about

how to save the earth!