THIRD PERIODIAL TEST IN

THIRD PERIODIAL TEST IN

SCIENCE AND HEALTH V

Directions: Encircle the letter of the correct answer.

1. Flashlights, electric iron, electric fan or ceiling fan and cellphones are product of __________.

A. innovations and technology

C. modern world

B. new millennium

D. none of the above

2. Certain changes bring good effects to the environment because they are ___________ to man.

A. very new

B. profitable

C. beneficial

D. nothing

3. What is the modern way and fastest way of communication?

A. using cell phones

C. using telegrams

B. using letters

D, none of these

4. Does new technology give advantages to the individual user and companies?

A. maybe

B. precisely

C. no

D. yes

5. What is the effect in our environment when one plant trees beside the streets ?

A. bad effects

C. too much crowd on the streets

B. no effect at allD. good effect

6. Which of the following impurities in water is the most dangerous for your health?

A. dust

B. gums

C. salt

D. mineral

7. What do you call a combination of negative and positive terminal so that there must be a closed path for electrons to flow?

A. electric switchB. electric bulbC. electric flow

D. electric circuit

8. What is called a fundamental quantity that is responsible for all electric phenomena?

A. conduction

B. insulator

C. electric chargeD. switch

9. What is called the materials that do not slow down electron flow?

A. conductor

B. insulatorC. switchD. fuse

10. It is used to open and close the circuit.

A. switchB. fuse

C. circuitD. conductors

11. What do you call the materials that allows electron flow easily so that electricity can flow easily?

A. insulator

B. bulb

C. switchD. conductor

12. It is called the materials that greatly slow down electron flow?

A. conductor

B. insulatorC. bulb

D. switch

13. Rubber is an example of insulator.

A. maybeB. no

C. yes

D. precisely

14. A good example of a conductor is ___________.

A. metalB. plasticC. wood D. rubber

15. When we can flow electrons?

A. when the circuit is connected.C. when the circuit is switch off.

A. when the circuit is switch on.D. When the circuit is completed.

16. What must be attached to the negative and positive terminal?

A. electrical wirings

C. steel

B. copper wire

D. none of the above

17. What kind of a circuit is used in a flashlight?

A. parallel circuitB. series circuitC. both circuit

D. none of these

18. What is the best circuit to be used at home for our appliances?

A. simple circuitB. series circuitC. parallel circuitD. all of the above

19. It is the part of a circuit wherein one is connected after the other as in the case of dry cells and electric light bulb.

A. series circuitB. parallel circuitC. both circuit

D. none of the above

20. The bulbs on a Christmas lights are used differently. It is a ____________.

A. both circuit

B.series circuit

C. simple circuitD. parallel circuit

21. How can we conserve electricity?

A. Do not buy additional appliances at home.

B. Turn off appliances that is not used anymore.

C. Do not use appliances.

D. None of the above

22. It is commonly used at home.

A. both circuit

B.series circuit

C. simple circuitD. parallel circuit

23. It is dangerous to use at home.

A. both circuit

B.series circuit

C. simple circuitD. parallel circuit

24. It is a form of energy that is easy to move around.

A. magnetic energy

C. radioactive energy

B. electrical energy

D. all of these

25. An appliances can still move even theres a brown-out.

A. yes

B. no

C. maybeD. precisely

26. Electric fans, blender, washing machine and other appliances are moved by electricity.

A. yes

B. no

C. maybeD. precisely

27. It is needed to replace an electric cord when its insulation wears out.

A. yes

B. no

C. maybeD. precisely

28. Do not use a __________ fuse than the kind needed for a circuit.

A. no voltageB. lower voltageC. high voltage

D. all of the above

29. _______ an electric or an electrical appliances when your hands are wet.

A. Plug onB. TouchC. Do not touchD. all of the above

30. One can plug too many appliances into one outlet.

A. yes

B. no

C. maybeD. precisely

31.Do not touch the circuit when it is damaged.

A. yes

B. no

C. maybeD. precisely

32. Inform immediately to the __________ when your circuits or fused are damaged at home.

A. doctorB. electrician

C. teacher

D. nurse

33. What is usually needed in chopping firewood?

A. jack

B. knifeC. scissorsD. ax

34. An ax is an example of a simple machine called __________.

A. wedgeB. screwC. pulleyD. inclined plane

35. What do construction workers used to lift 100 hallow blocks up a 3-storey building?

A. jack

B. ax

C. pulleyD. rope

36. What kind of a simple machine material made the task of the opening of the can easily?

A. a peso coin

B. key

C. screw driverD. can opener

37. A wheel barrow is an example of a simple machine that used to carry ________.

A. heavy objectsB. chalksC. electric fan

D. screw

38. It is used to cut a piece of paper.

A. screwB. scissorC. paperD.wheelbarrow

39. Knife is used to ______________.

A. cut fruits and vegetablesB. cut stonesC. lift objectsD. chop woods

Directions: Match column A to column B.

A

B

40. pulley

A. cutting ribbons

41. jack

B. lifting a car to change tires

42. saw

C. chopping wood

43. ax

D. cutting a piece of plywood

44 scissors

E. lifting 100 pieces of hallow blocks

Directions: Draw 5 example osf a simple machines which multiply force or speed.

45.

47.

49.

46.

48.

Directions: Select the letter of the correct answer.

50. Be sure that before using an inclined plane like ramps, they are in good condition to avoid ____________.

A. accident

C. rusting

B. materials damage

D. none of the above

51. When you carry tools with a sharp edge make sure it points ___________.

A. upwardB. forwardC. downward

D. sideward

52. In using a lever, be sure that the bar and the _________ are in good condition.

A. fulcrumB. wedgeC. inclined planeD. lever

53. In what place where you put the carpentry tools?

A. anywhereB. cabinetC. in a safe placeD. all of the above

Directions: Choose the letter of the correct answer.

54. What kind of pulley is used to raise a flag to the top of a pole?

A. single fixed pulley

C. movable pulley

B. black and tackle pulleyD. pulley

55. It is used to open a can easily.

A. can opener

B. knifeC.pin

D. needles

56. It is used to lift heavy objects easily.

A. rampB. stairsC. crow barD. pulley

57. Which of these tools should be a part of the tool box of a driver and used for vehicle?

A. pulleyB. wheel and axleC. jack

D. ax

58. Which of these are cutting tools?

A. knivesB. nails

C. needlesD. pins

59. It is used to get some soup in a cup.

A. spoonB. fork C. egg beaterD. washing machine

60. Which of the following is used to cut coconut trees?

A. saw

B. knifeC.ax

D. screw