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You are a member of the World Bank Board of Trustees who is responsible for choosing the most attractive project and an appropriate use of the money donated.
In the Realm of Science |
1. Practice reading these compounds and chemical reactions.
H2O | [‘eitʃ ‘tu: ou] | |
HNO3 | [‘etʃ ‘en ‘ou ‘Θri] | |
NOx | [‘en ‘ou ‘eks] | |
SO2 | [‘es ‘ou ‘tu:] | |
C + O→CO2 | [si:plus ou tu: give si: out u:] | · C plus O two give CO2 |
· 1 atom of carbon reacts with 1 two-atom molecule of oxygen and produces 1 molecule of carbon dioxide |
2. Now take turns to read and note down the following compounds and chemical reactions.
2Mg+O2 → 2Mg0
CaO+H2O → Ca(OH)2
2CO+O2 → 2CO2
NaCl + AgNO3 → NaNO3 + AgCl
3. Learn the pronunciation and the meaning of the chemical elements.
Ag | [α:ʹʤentәm] | argentum | N | [ʹnaitriʤәn] | nitrogen |
Al | [ˏæljuʹminjәm] | aluminium | Na | [ʹsoudjәm] | sodium |
Br | [ʹbroumi:n] | bromine | Ni | [ʹnikl] | nickel |
C | [ʹkα:bәn] | carbon | O | [ʹɔksiʤәn] | oxygen |
Cl | [ʹklɔ:ri:n] | chlorine | P | [ʹfɔsfәrәs] | phosphorous |
Co | [kәʹbɔ:lt] | cobalt | Pb | [led] | lead |
Cs | [ʹsi:zjәm] | caesium | Pu | [plu:ʹtounjәm] | plutonium |
Cu | [ʹkɔpә] | copper | Ra | [ʹreidjәm] | radium |
H | [ʹhaidriʤәn] | hydrogen | S | [ʹsʌlfә] | sulfur |
Hg | [haiʹdrα:ʤirәm] [ʹmә:kjuri] | hydrargyrum mercury | Si | [ʹsilikәn] | silicon |
Ti | [tiʹteinjәm] | titanium | |||
I | [ʹaiәdi:n] | iodine | U | [juәʹreinjәn] | uranium |
Li | [ʹliϴiәm] | lithium | Xe | [ʹzenɔn] | xenon |
Mo | [mɔʹlibdinәm] | molybdenum | Zn | [ziŋk] | zinc |
Unit 1. Progress Monitoring
In this unit you have worked on the following vocabulary related to the topic “Environment”
Tick (V) the points you are confident about and cross (X) the ones you need to revise. |
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Focus on language | | | Environmental Hazards of the Computer Revolution |