Question 1

1. Which refers to a change in position with respect to a reference point?

Accepted Answer

distance

Answer

meter

Answer

energy

Answer

motion

Question 2

2. What do you think is the reason why a speed of 10 km/h is required at school zones?

Accepted Answer

to keep the children safe from vehicular accidents

Answer

to prevent vehicles from bumping into one another

Answer

to save on fuel

Answer

to prevent damage to vehicles

Question 3

3. Motion is defined as changed in position of an object. Which does NOT demonstrate

motion?

Accepted Answer

picture from on the wall

Answer

ball rolling on the floor

Answer

girl dancing on the stage

Answer

boy playing at the park

Question 4

4. A bus along a street travelled 150 kilometers in 3 hours. What is the average speed?

Accepted Answer

50 km/h

Answer

20 km/h

Answer

40 km/h

Answer

60 km/h

Question 5

5. Which of the following is a good conductor of electricity?

Accepted Answer

copper

Answer

cloth

Answer

plastic

Answer

cotton

Question 6

6. Anthony is an electrician in one company. In his province, he is required to use rubbers and gloves when working. Why?

Accepted Answer

Rubber are electrical insulators that can keep away from electric shockwave.

Answer

Rubber works as a good electrical conductor.

Answer

Gloves are considered as a thermal conductor

Answer

Rubber materials allow electricity and heat to flow easily.

Question 7

7. Why is electrical wiring usually covered with layers of plastic?

Accepted Answer

to make it safe

Answer

to make it strong

Answer

to help electricity flow along the wire.

Answer

to make it look pretty

Question 8

8. The following materials use conductors of heat and electricity to function EXCEPT one. Which is it?

Accepted Answer

lighted candle

Answer

water heater

Answer

lighted electric bulb

Answer

washing machine

Question 9

9. Which of the following produces heat?

Accepted Answer

rubbing one’s palms together

Answer

looking at fire

Answer

looking at someone

Answer

opening one’s mouth

Question 10

10. Transparent materials allow light to passthrough. Which group of objects composed of transparent materials?

Accepted Answer

clear water, magnifying lens, eyeglasses

Answer

colored cellophane, gelatin, tinted window

Answer

flower, plastic bottle, booth

Answer

white sock, umbrella, plastic ball

Question 11

11. Opaque materials do not transmit light at all. Which group of objects composed of opaque materials?

Accepted Answer

metal, wooden table, soap

Answer

lenses, plastic cover, book

Answer

glass center table, tree, book

Answer

glass, ceramic, plastic plate

Question 12

12. Which is the material that does not allow light to pass through, instead it just reflects or absorbs light?

Accepted Answer

opaque

Answer

transparent

Answer

translucent

Answer

reflection

Question 13

13.Imagine a simple circuit with one 1.5 volts battery and a bulb. When the 1.5volts battery is replaced with a 3 volts battery, what will happen?

Accepted Answer

The bulb gets brighter.

Answer

The bulb gets dimmer.

Answer

The bulb stays at the same level of brightness.

Answer

Nothing has changed.

Question 14

14.Imagine a circuit with a 1.5 volts battery, a bulb and a similar circuit with 3volts battery and 2 bulbs. Which has the brighter glow?

Accepted Answer

The bulbs in both circuits are of similar brightness levels.

Answer

The circuit with 1.5volts battery and one bulb.

Answer

The circuit with 3volts battery and 2 bulbs.

Answer

The bulbs in both circuits will not lit.

Question 15

16. Where does an electric current flow?

Accepted Answer

closed circuit

Answer

busted bulb

Answer

open circuit

Answer

broken circuit

Question 16

15. What is the effect of changing the wire in a circuit from a straight short wire to a

longer coiled thick wire.?

Accepted Answer

The bulbs become brighter.

Answer

The bulbs stay at the same level of brightness.

Answer

The bulbs become dimmer.

Answer

Nothing has changed.

Question 17

17.You want to have equal distribution of electricity in your house. Which of the following are you going to do?

Accepted Answer

Ask a qualified electrician to install series connection.

Answer

Ask a qualified electrician to install parallel connection.

Answer

Ask a qualified electrician to install octopus wiring.

Answer

Ask a qualified electrician to install extension wires.

Question 18

18. What happens to the current in a series if one bulb is removed?

Accepted Answer

stops

Answer

remains the same

Answer

decreases

Answer

increases

Question 19

19. Which object will you use to close the gap between the ends of the wires to make the bulb light?

Accepted Answer

metal spoon

Answer

plastic cup

Answer

paper

Answer

rubber band

Question 20

20. Which statement is true about electromagnet?

Accepted Answer

It is a magnet made when electrical charges move through a coil of wire wrapped around an iron core or center.

Answer

A device that produces electric current from energy stored from chemicals

Answer

They are permanent magnets.

Answer

A magnet that can prevent an electric shock.

Question 21

21. An electromagnet is surrounded by a coil of wire through which an electric current pass through. Which electromagnet can attract more pins?

Accepted Answer

https://uploads.quizalize.com/b212fde0-e0b3-49e6-b902-1030d5912505/question/7aa6d435968b692167de26b48ce75978972645f6.png

Answer

https://uploads.quizalize.com/b212fde0-e0b3-49e6-b902-1030d5912505/question/f0ab31c7b1d73df43adf889a8657e2fb8b5b85f9.png

Answer

https://uploads.quizalize.com/b212fde0-e0b3-49e6-b902-1030d5912505/question/f764bb3ee8acb7e4a1e39897f42aba6a5f7a5249.png

Answer

https://uploads.quizalize.com/b212fde0-e0b3-49e6-b902-1030d5912505/question/b1324b2656bf9ed08ebabfd9abc15d4c89f98d80.png

Question 22

22. The relationship between the strength of an electromagnet and the number of coils is directly proportional. This means that _____.

Accepted Answer

As the number of coil increases, the strength of the electromagnet increases.

Answer

As the number of coil decreases, the strength of the electromagnet increases.

Answer

As the number of coil increases, the strength of the electromagnet is still the same.

Answer

As the number of coil increases, the strength of the electromagnet decreases.

Question 23

23. How can you increase the strength of an electromagnet?

Accepted Answer

Use a metal part of the screwdriver

Answer

Use a long pencil a score.

Answer

Use an expensive gel pen as core.

Answer

Use a tempered glass as the core.

Question 24

24. Which material should we use to construct an electromagnet?

Accepted Answer

Use a silver spoon as core.

Answer

Use abaca rope as wire.

Answer

Use yarn as wire.

Answer

Use a black crayon as core.

Question 25

25. How can we increase the strength of the magnetic field of an electromagnet?

Accepted Answer

add more copper wire to coil

Answer

put more paper clips to pick up

Answer

clip on the alligator clips

Answer

expose to more light

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