Match the first part of the sentence (1-7) with the second one (A-G). 1. In physics, a simple machine is any device that only ..

1. In physics, a simple machine is any device that only …..

2. Today we are most familiar with the screw as a.….

3. Wedges were used from very early times for such.….

4. The mechanical engineer more frequently uses the …..

5. The inclined plane is an important factor that …..

6. A familiar adaptation is the screw jackused to lift.....

7. The wedge is a triangle with two chief surfaces that …..

a) ….. purposes as quarrying rock, plowing fields or cutting wood, as with an axe.

b) ….. concerns civil engineers when designing highways or railroads.

c) ….. requires the application of a single force to work.

d) ….. automobiles or any great weight through a short distance.

e) ….. meet in a sharp angle or taper to a thin edge.

f) ….. screw, a spiral form of the inclined plane.

g) ….. fastener but it has numerous other uses.

6. Match the English words with their Ukrainian equivalents:

1. plane a) гвинт

2. wheel b) важіль

3. screw c) шків

4. lever d) площина

5. axle e) клин

6. pulley f) вісь

7. wedge g) колесо

7. Complete the following sentences using the information from the text:

1. The wedge is a triangle with …….

2. Early men and women knew that …….

3. The inclined plane is an important …….

4. A lever helps you do more …….

5. Like all simple machines, a lever …….

6. The mechanical engineer more frequently …….

7. The inclined plane was the probable …….

8. Read the clues and complete the crossword:

^1
^2		^3
						^4		^5
				^6
^7
						^8
	^9
^10

Across:
	A bar with a wheel on either end, around which the wheels turn or which turns with the wheels, as on a car.
	The outer part of an object, especially when considered with regard to its roughness or smoothness.
	A circular object with an outer frame which turns round an inner part to which it is joined and is used for turning machinery, making vehicles move, etc..
	A piece of equipment intended for a particular purpose.
	An apparatus consisting of a wheel over which a rope or chain can be moved, used for lifting heavy things.

Down:
	An apparatus for lifting a heavy weight, such as a car, off the ground.
	A bar or other strong tool used for lifting or moving something heavy or stiff, one end is placed under or against the object, the middle rests on a fulcrum and is pushed down strongly.
	A type of fastener that is like a nail but has a raised edge winding round it and a special cut in its top to hold a tool, usually a screwdriver, for turning and pressing it into the material to be fastened.
	A piece of wood or other hard material with a V-shaped edge, one end being thin and the other quite wide, used especially for making a space to split or break something or filling a space to hold two things together.
	An instrument or apparatus which uses power, such as electricity, to perform work.
	A completely flat surface.

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