Lekcja 3 A

SJO PW - Język angielski ogólnotechniczny, Poziom B2
Opracowanie: K. Chmielecka T. Dąbrowska, E. Gratkowska, H. Jankowska
Lekcja 3 A
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THE ALPHABET
HOMEWORK TASKS
TASK 1.
Greek letters appear in many expressions used in the language of science. Match the expressions
with their meaning. Read the expressions aloud.
1. Gamma rays
4. Omega 3
2. Beta-blocker
5. Alpha, Beta and Gamma
radiation
3. Alpha test
6. Pi
Definitions:
A. a Greek letter denoting the ratio of the circumference and the diameter of a circle
B. a beam of light with a short wavelength
C. a drug used to prevent heart diseases
D. the kind of fat found in oily fish ( salmon, mackerel )
E. types of radiation emitted by radioactive substances
F. a test of software to see if it works properly
TASK 2.
Read the following Latin abbreviations and match them to the presented definitions.
1. etc. (et cetera)
5. p.a. (per annum)
2. e.g. (exempli gratia)
6. et al.
3. i.e. (id est)
7. c., ca., or cca , circa
4. i.a. (inter alia)
Definitions:
A. through a year (yearly)
D. for example, for instance
G. that is, in other words
B. around, about, approximately C. among other things
E. and others, and co-workers
F. and so on, and other things
1
SJO PW - Język angielski ogólnotechniczny, Poziom B2
Opracowanie: K. Chmielecka T. Dąbrowska, E. Gratkowska, H. Jankowska
Lekcja 3 A
____________________________________________________________________________________
TASK 3.
Match the words to their definitions.
1. chemistry
5. element
2. matter
6. compound
3. atom
7. formula
4. molecule
8. solid
Definitions:
A. the smallest indivisible particle of matter that can have an independent existence
B. a substance which is composed of a single type of atom
C. a group of atoms that are chemically bonded together
D. a substance made from two or more elements that had reacted chemically with each other
E. the study of matter and the changes it undergoes
F. is used to describe the types of atoms and their numbers in an element or compound / NaOH, NaCl /
G. a firm object or substance that has a fixed shape
H. anything made of atoms and molecules and has a mass
TASK 4.
Read the names of chemical elements.
English
Pronunciation
Symbol
[ , ælju'miniəm ]
Al
calcium
[ 'kælsiəm ]
Ca
carbon
[ ' ka:bən ]
C
chlorine
[ ' klo:ri:n ]
Cl
copper
[ ' kopə ]
Cu
celium
[ 'hi:liəm ]
He
[ ' haidridzən ]
H
iron
[ 'aiən ]
Fe
lead
[ led ]
Pb
[ mæg 'ni:ziəm ]
Mg
mercury
[ ' mə:kjuri ]
Hg
oxygen
[ ' oksidzən ]
O
potassium
[ pə ' tæsiəm ]
K
sodium
[ ' səudiəm ]
Na
sulphur
[ ' sʌ lf ə ]
S
[ tin ]
Sn
[ tai ' teiniəm ]
Ti
aluminium
hydrogen
magnesium
tin
titanium
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SJO PW - Język angielski ogólnotechniczny, Poziom B2
Lekcja 3 A
Opracowanie: K. Chmielecka T. Dąbrowska, E. Gratkowska, H. Jankowska
____________________________________________________________________________________
TASK 5. Read the following information about SI units.
Other quantities, called derived quantities, are defined in terms of the seven base quantities (e.g. m, kg, s)
via a system of quantity equations. The SI derived units for these derived quantities are obtained from the
seven SI base units. Examples of such SI derived units are given in the table below.
Some SI derived units
Name
Symbol
Quantity
Expression in terms of SI base units
1. square metre
m2
area
m2
2. cubic metre
m3
volume
m3
3. metre per second
m/s
speed, velocity
m/s
4. cubic metre per second
m3/s
volumetric flow
m3/s
kg/m2
area density
5. kilogram per square metre
CLASS TASKS
TASK 6A. Many letters of the Greek alphabet are commonly used in mathematics and physics and in
other branches of science. Here is a list of the letters and their English pronunciation. Read the Greek
alphabet.
Α α
alpha
/‘ælfə/
Ν ν
nu
/nj/
Β β
beta
/‘bi:tə/
Ξ ξ
xi
/ksaı/
Г γ
gamma
/‘gæmə/
Ο ο
omikron
/ə’maıkrən/
Δ δ
delta
/‘deltə/
Π π
pi
/paı/
Ε ε
epsilon
/ep’saılən/
Ρ ρ
rho
/rə/
Ζ ζ
zeta
/‘zi:tə/
Σ σ, ς
sigma
/‘sıgma/
Η η
eta
/‘i:tə/
Τ τ
tau
/ta/
Θ θ
theta
/‘Θi:tə/
Υ υ
upsilon
/j:p’saılən/
Ι ι
iota
/aı’ətə/
Φ φ
phi
/faı/
Κ κ
kappa
/‘kæpə/
Χ χ
chi
/ksı/
Λ λ
lambda
/‘læmdə/
Ψ ψ
psi
/psaı/
Μ μ
mu
/mj/
Ω ω
omega
/‘əmıgə/
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SJO PW - Język angielski ogólnotechniczny, Poziom B2
Lekcja 3 A
Opracowanie: K. Chmielecka T. Dąbrowska, E. Gratkowska, H. Jankowska
____________________________________________________________________________________
TASK 6B. You are going to practise saying the Greek letters in pairs. Look at the table and choose the
Greek letters you need in the course of your studies. Name them in Polish. Ask your colleague to give the
English name of the chosen Greek letter. Take turns e.g. Student A: pi, Student B: /pai/.
TASK 7. Look at task 4 and write down 5 chemical elements in your notebook and read them out to
your partner so that he/she can write down their symbols.
TASK 8. Write the following expressions in words and the quantities they stand for.
1. m/s
2. kg/m3
3. A/m2
4. A/m
FOLLOW UP TASKS / homework
TASK 9. Complete the crossword.
1
3
12
6
5
9
13
7
2
14
10 15
11
4
16
17
8
18
19
20
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SJO PW - Język angielski ogólnotechniczny, Poziom B2
Lekcja 3 A
Opracowanie: K. Chmielecka T. Dąbrowska, E. Gratkowska, H. Jankowska
____________________________________________________________________________________
The number of letters is given in brackets.
Down
12.
Across
a substance that consists of only one
type of atom / 7 /
13.
anything made of atoms and molecules
/6/
14.
Ti / 8 /
He / 6 /
Hard, shiny element that is good conductor of heat
and electricity / 5 /
15.
Na / 6 /
16.
Pb / 4 /
6.
H2O / 5 /
17.
O /6/
7.
8.
the smallest unit of all matter. / 4 /
the first on the podium / 4 /
18.
19.
NaCl / 4 /
Fe / 4 /
9.
H /8/
20.
Hg / 7 /
1.
2.
3.
4.
5.
Mg / 9 /
Sn
/3/
a chemical substance that consists of two or more
elements that together form a molecule / 8 /
10. one of the three main forms of matter /5 /
11. a group of atoms that chemically bonded together
/8/
TASK 10.
Write down these Greek letters in small letters and give examples of their application in
various domains of your studies: e.g. Alpha –α, sin α (mathematics).
1. Beta
2. Gamma
3. Delta
4. Theta
5. Lambda
6. Mu
7. Pi
8. Sigma
9. Tau
10. Omega
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