1. The Law of Conservation of Energy
states that...
a. Energy can be destroyed.
b. Energy can only be destroyed by force.
c. Energy cannot be destroyed nor created.
d. None of the above
2. What form of energy is a rotating
wheel?
a. Electrical
b. Light
C. Mechanical
d. Sound
3. All the following are examples of things
that produce light energy except-
a. Candle
b. Compass
c. Desk lamp
d. Flashlight
4. What form of energy is stored in
matches or food?
a. Chemical
b. Heat
c. Nuclear
d. Sound
5. What object can change electrical
energy into light energy?
a Candle
b. Fire
c. Lamp
d. Radio
6. Sound is caused by?
b. Force
c. Vibrations
d. Work
7. What household appliance produces
light energy
a Desk Lamp
b. Electric Fan
c. Refrigerator
d. Stove
8. What type of energy does an oven
produce?
b. Light
c. Light and heat
d. None of the above
9. When work is done on an object.
is transferred to that object.
a. Energy
b. Force
c. Friction
d. Motion
10. Energy is the ability to do
a. Change
b. Force
c. Nothing
d. Work
11. It enabled us to hear what the other
person was saying.
a. Electricity
b. Heat
c. Light
d. sound
12. We need
to warm our
bodies.
a Electricity
b. Heat
c. Light
d. sound
13. Which of the following instruments
gives the loudest sound?
a. Drum
b. Flute
c. Guitar
d. Violin
14. Which of these produces the loudest
sound?
a. Ambulance siren
b. Chirping of birds
c. Ringing bell
d. Whispering
15. The energy needed to power our
appliances
a. Electrical energy
b. Heat energy
c. Light energy
d. sound
16. Which of the following heating appliances
produce the most heat?
a. Electric fan
b. Electric stove
c. hair dryer
d. Water heater
17. Dry cell battery is a source of
a.Electricity
b. Fue
c. Force
d Magnetism
18. Which is not an energy conservation ?
a. Close all the windows when air conditioning
unit is an
b. Let the water flow as you brush your teeth
c Ride to school with your brothers and sisters in
one car
d. Turn off the lights and electric fans as you
leave the classroom
19. What provides the energy to light a light bulb
bulb?
a. Electrical enery
b. Heat energy
c Light energy
d. Sound energy
20. Heat and electricity can be transferred
through a
?
a. Bridge
b. Copying
c. Conductor
d. Friction
Share
Answer:
1b
2b
3b
4a
5b. follow mo po ako
6c
7d
8a
9a
10d
Explanation:
yan lang po ang Alam ko sana makatulong