Search the Internet or popular science magazines. Find information about national and international awards in your field of science. Report back your findings to the class.

Listening

1. Look at the words below and say which field(s) of science they refer to.

2. What do you know about polythene and its uses in our everyday life?

3. You are going to listen to Anthony Willbourn talking about the discovery of polythene. As you listen mark the statements below T for ‘true’ or F for ‘false’. Correct the false ones.

a) Anthony Willbourn is a journalist. ()

b) He was lucky to meet and talk to people that discovered polythene. ()

c) A team of researchers discovered polythene in 1939. ()

d) The researchers were investigating the phenomena at high pressures. ()

e) Their discovery was made by accident. ()

f) The experiments were carried out in a well-equipped laboratory. ()

g) Scientists failed to find practical applications of polythene at that

time. ()

h) The substance was launched into mass production the month after the war broke out. ()

i) Radars helped the British aircraft, RAF, to contain Luftwaffe attacks. ()

Speaking

Work in small groups. Think of any discovery or invention made in your field of science in the 20^th century. Which do you think has been of major importance for the advance of science and technological development? Give reasons for your choice of the discovery / invention. Tell the class about them.

In the Realm of Science

1. Learn how to say the singular and plural nouns.

phenomenon [fi'nɔminən]	phenomena [fi'nɔminə]
medium ['mi:diəm]	media ['mi:diə]
radius ['reidjəs]	radii ['reidiai]
analysis [ə'næləsis]	analyses [ə'næləsi:z]
crisis ['kraisis]	crises ['kraisi:z]
formula ['fɔ:mjulə]	formulae ['fɔ:mjuli:]
nucleus ['nju:kliəs]	nuclei ['nju:kliai]
axis ['æksis]	axes ['æksi:z]
index ['indeks]	indices ['indisi:z]

2. Read and remember the prefixes that show various sizes.

Number	Prefix	Symbol
10 ^1	deka-	da
10 ^2	hecto-	h
10 ^3	kilo-	k
10 ^6	mega-	M
10 ^9	giga-	G
10 ^12	tera-	T
10 ^15	peta-	P
10 ^18	exa-	E
10 ^21	zeta-	Z
10 ^24	yotta-	Y

Number	Prefix	Symbol
10 ^-1	deci-	d
10 ^-2	centi-	c
10 ^-3	milli-	m
10 ^-6	micro-	u (greek mu)
10 ^-9	nano-	n
10 ^-12	pico-	p
10 ^-15	femto-	f
10 ^-18	atto-	a
10 ^-21	zepto-	z
10 ^-24	yocto-	y

Unit 2 Progress Monitoring In this unit you have worked on the vocabulary related to the topic “Evolution of the Natural Sciences”

to make a breakthrough		dramatically/essentially/profoundly
to play a key role in the advancement of modern electronic devices		scientist/philosopher/explorer/inventor or discoverer
to have tremendous/great/practical effect on sth		double-edged sword discovery or invention
to have an impact on sth		to be of the greatest benefit to mankind
to provide a way to do sth		to experiment with different techniques
to open a new frontier		to be awarded the Nobel prize
to create principles/tremendous energy		to redefine sth/smb’s understanding
to show positive or negative potential		deep insights into the nature of sth

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

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