6. Read and correct the underlined words:

1-A light object sinks on water. (...................................)

2-brain beats all the time. (...................................)

3-Graham Bell discovered the telephone. (...................................)

4-Heavy objects float on water. (...................................)

5-Don't have too much food that contains fit. (...................................)

6. How heavy does a plane go ? (...................................)

7-When you fix red and blue, you get purple. (.............................)

8-Diary products make our bones and teeth stronger. (.........................)

9. We can cycle glass, paper and plastic (...................................)

10. Why don't you make some exercises ? (...................................)

11-The computer is a very important modern invitation. (..............................)

12-When you boil air, the air moves around fast. (..............................)

13-Some kinds of blankets are made of wood. (.................................)

14-I was borne in April in 1966. (...................................)

15-The computer is not as small like the laptop. (..............................)

16. We use a tape measure for weighing people and objects. (...............................)

17-When you add oil to some water, the oil sinks. (................................)

18-Olive petrol is healthy. (...................................)

19-We use the mouse to type a message on the computer. (...........................)

20-A bus isn't as fast than the train. (...................................)

21-Winter is cold than Autumn. (...................................)

22-is interesting in watching TV. (...................................)

23-Teachers give ill people medicine to help them get better. (.........................)

24-Ali always gives me advise. (...................................)