KCPE SCEINCE DIFFICULT QUESTIONS 2004

1.

1 point

27. Which one of the following statements about water is true?

C. Water has definate shape

D. Water is a good conductor of heat

A. Water mixes with all liquids

B. Water has definate size

2.

1 point

7. The following are effects of drug abuse.
(i) Rape
(ii) Addiction
(iii) Lack of concentration
(iv) Truancy
(v) Impared judgement

Which of them are health effects?

B. (ii), (iii), (iv)

D. (ii), (iii), (v)

A. (i), (ii), (iii)

C. (i), (iv), (v)

3.

1 point

9. The force that acts on a given area is called

A. weight

C. pressure

B. gravity

D. friction

4.

1 point

36. Which one of the following statements about a windvane is NOT true?

B. It should be placed in an open place

D. Its compass points should correspond to the geographical compass points

A. The tail should be larger than the arrowhead

C. The arrow points the direction in which the wind is blowing

5.

1 point

47. In which of the following cases is friction both an advantage and a disadvantage?

A. Dragging a heavy box down a floor

C. Climbing up a hill

B. Moving parts of a machine

D. Drawing water from a well

6.

1 point

38. Which of the following materials CANNOT be recycled?

D. Saw dust

C. Candle wax

A. Rubber tyres

B. Glass bottles

7.

1 point

KCPE 2005
5. Below is an energy transformation
Chemical------Electrical------Heat-------Light
In which of the following does the energy
transformation shown takes place when a car battery used to produce light?

C. Electric bulb

B. Car battery

D. Bicycle dynamo

A. Geothermal

8.

1 point

11. The MAIN reason why sandy soil is mixed with cement in building is because it

B. has large air spaces

C. has large particles

D. mixes easily with cement

A. drains well

9.

1 point

46. Sifting, picking and sieving are some methods of separating mixtures. Which one of the following mixtures can be separated by all the three methods?

D. Sugar and tiny pieces of glass

C. Maize flour and small pieces of iron

B. Sand and rice

A. Maize and beans

10.

1 point

31. Which one of the following NEED NOT be the same when comparing capillarity in different types of soil?

A. Diameter of the tube

C. Time allowed for the experiment

D. Amount of water used

B. Amount of each type of soil