How E-Waste Recycling Works

businesses

lead smelting

refurbishers

demanufacturers

repairable products

Get real

Search home pages of the leading computer companies and environment websites

to get more information on possible solutions to e-waste problem. Report back to the class and discuss what you have found.

Writing

You are planning to buy a new computer but don’t know what to do with the old one. Write an e-mail message to one of the electronic equipment manufacturers asking for information on company’s takeback policies.

From:
To:
Subject:	Old computer treatment

  Dear Sir/Madam,   I am mailing this via the “Contact Us” link on your website to (1) ………………… ….………………………………………………………………………………………… …………………………………………………………………………………………....   I bought my old PC (2) ………………………………………………………………. ……………………………………………………………………………………………. ……………………………………………………………………………………………. ………………………………………………………………………………………….... Could you give me more information about (3)………………………………………. ……………………………………………………………………………………………. ………………………………………………………………………………………….... I hope you will (4) ……………………………………………………………………   I look forward to hearing from you soon.   Yours faithfully, (5)……………………

(1) explain the purpose of your e-mail

(2) provide basic information on your PC and its components, when and where you bought it, decide whether they are still working or not

(3) ask for information on the items the company takes back, delivery, package and prices

(4) express your gratitude for the help

(5) sign the letter

In the Realm of Science

1. Check the pronunciation and the meaning of the words below. Which of them are chemical elements? Which are compounds? Write down the symbols for the elements and formulas for the compounds.

· nitric acid	· cadmium	· dioxide
· nitrogen oxide	· calcium	· phosphine
· hydrochloric acid	· mercury	· sulphur
· hydrocarbons	· carbon dioxide

2. Work in pairs. Take turns to read and note down these elements and compounds:

Student A: Si N P C Cd Al

Student B: S H O Na Li Zn

3. Read the song “The Elements” by Tom Lehrer. Do you know equivalents in your native language to the elements named in the song?

There’s antimony, arsenic, aluminum, selenium,

And hydrogen and oxygen and nitrogen and rhenium

And nickel, neodymium, neptunium, germanium,

And iron, americium, ruthenium, uranium,

Europium, zirconium, lutetium, vanadium

And lanthanum and osmium and astatine and radium

And gold, protactinium and indium and gallium

And iodine and thorium and thulium and thallium.

There’s yttrium, ytterbium, actinium, rubidium

And boron, gadolinium, niobium, iridium

And strontium and silicon and silver and samarium,

And bismuth, bromine, lithium, beryllium and barium.

There’s holmium and helium and hafnium and erbium

And phosphorous and francium and fluorine and terbium

And manganese and mercury, molybdinum, magnesium,

Dysprosium and scandium and cerium and cesium

And lead, praseodymium, platinum, plutonium,

Palladium, promethium, potassium, polonium,

Tantalum, technetium, titanium, tellurium,

And cadmium and calcium and chromium and curium.

There’s sulfur, californium and fermium, berkelium

And also mendelevium, einsteinium and nobelium

And argon, krypton, neon, radon, xenon, zinc and rhodium

And chlorine, cobalt, carbon, copper,

Tungsten, tin and sodium.

These are the only ones of which the news has come to Harvard,

And there may be many others but they haven’t been discovered.

(Listen to it at http://school.discovery.com/lessonplans/activities/sciencehits/)

Unit 2 Progress Monitoring In this unit you have worked on the following vocabulary related to the topic “Negative influence of electronic equipment on the environment”

· environmental hazards	· to consume energy
· landfill/damp sites	· to release poisonous gases
· incineration	· to encourage/to urge e-recycling
· disposal of electronic equipment	· to donate/to reuse electronic equipment
· to produce/to generate e-waste	· to reduce/to limit computer dumping
· liquid	· to refurbish/to restore/to repair e-devices
· environmentally friendly/safe	· to recycle e-waste/industrial waste
· to use up natural resources	· to increase/decrease the amount of harmful chemical substances
· a compound	· to be short of

Tick (V) the points you are confident about and cross (X) the ones you need to revise.

Unit 3 Revise & Practise

1. Explain the difference between these pairs:

litter - waste

break down - dismantle

refurbish - repair

recycle - process

effect - affect

chemical element - chemical compound

2. Write down a short vocabulary list (10 items) on the topic “Environment”. Compare your lists. Cross out the items you have on both lists and explain the meaning of the rest of the words and phrases.

3. Do the crossword to write the word in bold.

1) the reduction of the layer of natural gases around the earth that protects people,

animals, etc. from dangerous ultraviolet radiation

2) the reduction of the territory that a plant or animal lives and grows

best in, usually caused by changes in natural conditions

3) a process when different kinds of animals and plants which make a balanced

environment disappear

4) floods, volcanic eruptions and hurricanes, etc. that may kill a lot of people or

cause a lot of damage

5) a result of atmospheric contamination when industrial gases and chemicals mix

with water in the air

6) harmful chemicals and gases from factories, machines, traffic fumes that enter

the air to make it dirty

7) a general increase in the temperature of the world caused by harmful chemicals

and gases from cars, factories etc entering the air

8) harmful chemicals, waste materials from factories, houses etc. that enter the land

and kill or damage the things that live or grow there

9) gases from factories, machines, traffic fumes etc. that form a layer around the

earth and keep the heat it

10) devices and/or their components that are no longer useful

11) a process when too many trees are cut down in an area, so that the environment is badly damaged

4. Read these sayings. Comment on the one you like most.

Ø “The nation that destroys its soil destroys itself.” Franklin D. Roosevelt

Ø “Modern technology owes ecology an apology.” Alan M. Eddison

Ø “We do not inherit the earth from our ancestors, we borrow it from our children.” Native American Proverb

Ø “If civilization has risen from the Stone Age, it can rise again from the Wastepaper Age.” Jacques Barzun, The House of Intellect, 1959

Case study

All of you are at the meeting which is held to discuss the most urgent environmental problems in your city. Each student plays one of the roles described below. Read the situation and the role descriptions and decide who will play each role. Divide into 5 groups (group A – environmentalists, B – bank representatives, C – city residents, D – city council members, E – project managers). Prepare for ten minutes before you begin the meeting. Make use of the language for debating in the Tool box.

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