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1. Translation Box
A. Before Reading Mark True(T) or False(F).
1. Oxygen is not element. T/F
2. Oxygen has smell. T/F
3. Livings contain oxygen. T/F
4. Oxygen is a Greek word. T/F
5. Oxygen constitutes more than T/F
half of the human body.
B. While Reading Translate the text into Turkish. C. After Reading Comprehension.
Oxygen is the element with atomic number 8. Its name derives Answer the questions below.
from the Greek roots. At standard temperature and pressure, 1. What is the atomic number of oxygen?
two atoms of the element bind and form dioxygen, a very pale 2. What is in common between fats and proteins?
blue, odorless, tasteless diatomic gas with the formula O2. 3. Give two adjectives describing oxygen.
Because it comprises most of the mass in water, oxygen 4. Why does oxygen comprise most of the mass of living
comprises most of the mass of living organisms (for example, organisms?
about two-thirds of the human body's mass). All major classes 5. What are the major classes of structural molecules?
of structural molecules in living organisms, such as proteins,
carbohydrates, and fats, contain oxygen.
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2. 6. What does the word “odorless” mean? D. Vocabulary Exercise
a. have no look
b. have no smell A. Match the words with their synonyms.
c. have no size 1. root (n) a. having life, extant
d. have no sense 2. element (n) b. origin
3. form (v) c. construct
7. At … temperatures and pressure, two atoms bind. 4. living (adj) d. consist of
5. comprise (v) e. component, constituent
a. normal
b. extraordinary
c. official
d. informal B. Phrase Match. Do not refer to the text.
1. oxygen is the element a. temperature and pressure.
8. All … classes of structural molecules … oxygen. 2. all major classes b. with atomic number 8.
a. small/don’t have 3. its name derives c. from the greek.
b. real/has 4. diatomic gas d. with the formula o2.
c. main/have 5. at standard e. of structural molecules.
d. different/doesn’t have
C. Label the words as “verb, noun, adjective, and adverb”
9. The word, oxygen, … Greek roots. 1. oxygen (adj)___________________
a. looks like 2. atom
b. is similar to 3. bind (noun)_________________
c. comes from 4. form (noun)_________________
d. finds out 5. structural (noun)_________________
6. atomic
10. What does the word “roots” mean? 7. odorless (noun)_________________
a. cities 8. tasteless (noun)_________________
b. people 9. two-third
c. origins 10. about
d. trees
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3. E. While listening
Exercise 1: Fill in the gaps with a word from the list. Exercise 2: Fill in the gaps with a word from the list.
Oxygen is the element with atomic Oxygen is the third most ()………… element
number 8. Its name (1)……….. from the in the universe and makes up nearly 21%
tasteless of the earth's (2)…………. Oxygen accounts
Greek roots. At standard temperature
for nearly half of the mass of the earth's
and (2)……….., two atoms of the element pressure component
crust, two thirds of the (3)…………of the
bind and form dioxygen, a very pale human body and nine tenths of the mass of
blue, odorless, (3)………..diatomic gas most water. abundant
with the formula O2. Because it
derives atmosphere
comprises (4)………..of the mass in Oxygen is a (4)…………reactive element and
water, oxygen comprises most of the classes is capable of combining with most other surface
elements. It is required by most
mass of living (5)………..(for example,
oxygen (5)…………organisms and for most forms of mass
about two-thirds of the human body's combustion. Oxygen is also combined with
mass). All major (6)………..of structural organisms acetylene to (6)…………an extremely hot highly
molecules in living organisms, such as flame used for welding. Liquid oxygen,
proteins, carbohydrates, and fats, when combined with liquid hydrogen, makes
contain (7) ………... (7)…………an excellent rocket fuel. Ozone
(O3) forms a thin, protective layer around produce
the earth that shields the (8)…………from
the sun's ultraviolet radiation. Oxygen is living
also a (9)…………of hundreds of thousands
of organic compounds.
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