Present Simple -BE- Worksheet

Download Present Simple -BE- Worksheet

Post on 02-Jul-2015

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Visit the link below to get the audio files of the worksheet: http://www.4shared.com/file/yXI2vyf3/Oxygen.html

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1. Translation BoxA. Before ReadingMark 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 thanT/Fhalf of the human body.B. While ReadingTranslate the text into Turkish. C. After ReadingComprehension.Oxygen is the element with atomic number 8. Its name derivesAnswer 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 pale2. 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, oxygen4. Why does oxygen comprise most of the mass of livingcomprises most of the mass of living organisms (for example, organisms?about two-thirds of the human bodys 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.1 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 size1. root (n)a. having life, extant d. have no sense 2. element (n) b. origin3. form (v)c. construct7. At temperatures and pressure, two atoms bind.4. living (adj)d. consist of5. comprise (v)e. component, constituent a. normal b. extraordinary c. official d. informalB. 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/dont have3. its name derivesc. from the greek. b. real/has4. diatomic gasd. with the formula o2. c. main/have 5. at standard e. of structural molecules. d. different/doesnt haveC. Label the words as verb, noun, adjective, and adverb9. The word, oxygen, Greek roots.1. oxygen (adj)___________________ a. looks like 2. atom b. is similar to3. bind (noun)_________________ c. comes from 4. form (noun)_________________ d. finds out5. structural (noun)_________________ 6. atomic10. What does the word roots mean? 7. odorless (noun)_________________a. cities8. tasteless(noun)_________________b. people9. two-thirdc. origins 10. aboutd. trees2 3. E. While listeningExercise 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 atomicOxygen is the third most () element number 8. Its name (1).. from the in the universe and makes up nearly 21% tastelessof the earths (2). Oxygen accounts Greek roots. At standard temperaturefor nearly half of the mass of the earths and (2).., two atoms of the elementpressurecomponentcrust, two thirds of the (3)of the bind and form dioxygen, a very palehuman body and nine tenths of the mass of blue, odorless, (3)..diatomic gasmost 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 classesis capable of combining with most othersurfaceelements. 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 bodys combustion. Oxygen is also combined with mass). All major (6)..of structuralorganismsacetylene 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 producethe earth that shields the (8)fromthe suns ultraviolet radiation. Oxygen is livingalso a (9)of hundreds of thousandsof organic compounds.3