1. Which one of the following is a source of light?

   A. Moon           B. Glow worm

   C. Stone           D. Wood

 

2. ______ is an example of source of sound

   A. Flute           B. Heat

   C. Force          D. Energy 

 

3. Which one of the following ways is the best for making a shadow?

   A. Placing an object infort of a wall

   B. Shining a torch to an object

   C. Shining a torch to an object aganist a wall 

   D. Having a candle and an object before a screen

 

4. Which one of the following musical instruments can produce sound when plucked?

   A. Trumpet           B. Violin

   C. Guitar              D. Organ

 

5. A _____ can produce sound when hit.

   A. Guitar             B. Flute

   C. Drum              D. Trumpet

 

6. Which one of the following is a special sound?

   A. Ambulance siren

   B. Music fron the radio

   C. Barking of a dog

   D. Child crying

 

7. Which one of the following is true about sound?

   A. Sound can be heard from one direction only

   B. Sound travels in all directions

   C. Sound travels in a straight line

   D. Sound  cannot travel round corner

 

8. Which one of the following is a use of light?

   A. To keep of pests

   B. To help us listen

   C. To kill germs

   D. Helps in seeing clearly 

 

9. We ensure the house is lit to 

   A. Strengthen windows

   B. Keep off small animals

   C. Draw and write

   D. Brighten the room

 

10. Which one of the following is a way of lighting a house?

   A. Using a translucent roofs

   B. Using iron shhets as roof

   C. Using grassnto make roofs

   D. Using wooden materials as roofs

 

11. Which one of the following are sources of heat?

   A. Gas, sun, electricity

   B. Stones, sun, wood

   C. Electricity, cooking pans, sun

   D. Gas, sun, iron

 

12. _____, _____ and _____ are some sources of heat.

   A. Drying, warming, ironing

   B. Cooking, sleeping, washing

   C. Roofing, drying, cooking

   D. Digging, cooking, sleepin

 

13. Which one of the following is a loud sound?

   A. Car horn

   B. Buzzing mosquito

   C. Dropping needle

   D. Chirping bird

 

14. An example of soft sound is

   A. a child whispering

   B. bicycle bell

   C. ringing bell

   D. moving train

 

15. Which one of the following can cause sound pollution?

   A. Loud music in a matatu

   B. Low volume music

   C. Sound from a water fall 

   D. Flute played softly

 

16. Which one of the following is the method of heat tranfer by solids?

   A. Convention         B. Conduction

   C. Radiation            D. Current

 

17. Which one of the following is a good conduct of heat?

   A. Wood         B. Metal

   C. Glass         D. Rubber

 

18. _____ is a bad conductor of heat?

   A. Metal         B. Iron

   C. Rubber       D. Aluminium