1. to develop a law | a. |
2. to hold atoms together | b. |
3. to prove by experiment | c. |
4. to attract objects | d. |
5. to notice gravitational pull | e. |
6. to move away in a straight line | f. |
7. fine matters | g. |
8. by means of mathematics | h. |
, , (1-5) (a-e).
1) According to Newtons law .
2) The Earth always moves away in a straight line .
3) There are millions of galaxies in the universe
4) Gravity is a force
5) Einstein proved his law
a). . which holds us on the Earth.
b). . everything has gravitational pull.
c). .. by means of mathematics.
d). .. but the Sun always pulls it back.
e). .. and there are thousands of millions of suns.
, . T (True), , F (False), .
Statement | True | False | |
1. | Alfred Einstein first studied gravity. | ||
2. | The Sun and Earth attract each other. | ||
3. | The Sun is in the middle of the galaxy. | ||
4. | Any sun has planets. | ||
5. | In very small matters gravity has no effect on light. |
, .
1. What differs magnetism from gravity?
2. Why do we not notice the gravity of a book?
3. Why does the Earth not fly off into cold space?
4. What is gravity?
5. What is Einstein famous for?
.
, . , . , - . . .
|
II
I. .
|
|
1. | The Internet a great learning tool for people. | ||
a) to be | b) is | c) are | |
2. | He... the cleverest boy in the class. | ||
a) is | b) am | c) are | |
3. | I sorry, what your name? | ||
a) be, is | b) am, are | c) am, is | |
4. | Sorry, she cant come to your party. She out of the town. | ||
a) am | b) is | c) are | |
5. | My friends students who specialize in maths at University. | ||
a) are | b) is | c) isnt | |
6. | I think Diana .. successful in the future. | ||
a) is | b) will be | c) was | |
7. | We .. very tired after the journey. | ||
a) was | b) is | c) were | |
8. | Dont drink coffee before you go to bed. You .. sleep. | ||
a) will | b) will not | c) were | |
9. | The hotel was very expensive but the rooms .. untidy. | ||
a) were | b) was not | c) are | |
10. | She travels a lot. Today she is in London, then she . in Rome. | ||
a) is | b) was | c) will be |
II. to have .
1. She . (have) a torch in the bag.
2. The cat is hungry. It . (have) no food.
3. My uncle . (have) a grey beard.
4. We need to go shopping. We . (have) no vegetables left.
5. She . (have) many wrinkles, although she is not an old woman.