Present Simple -BE- Worksheet

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Present Simple -BE- Worksheet

  1. 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 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. 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. trees2
  3. 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 earths (2)…………. Oxygen accounts Greek roots. At standard temperature for nearly half of the mass of the earths 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 bodys 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 suns ultraviolet radiation. Oxygen is living also a (9)…………of hundreds of thousands of organic compounds.3

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