15. Which of the following will NOT generate electricity? *
1 point
A. Hydroelectric plant
B. Nuclear power plant
C. geothermal plant
D. green plant
10. It is a form of energy that flows from a warm substance to a cooler one. What form of energy is it? *
1 point
A. Chemical
B. sound
C. heat
D. light
21. Which of the following shows that electrical energy is converted into light energy? *
1 point
A. Electric flat iron
B. Washing machine
C. incandescent bulb
D. bell
24. What energy transformation takes place in an oven toaster? *
1 point
A. Chemical energy ---- heat energy
B. Mechanical energy --- heat energy
C. Electrical energy --- sound energy
D. Electrical energy ---- heat energy
2. How do you call the energy possessed by moving objects? *
1 point
A. Kinetic
B. chemical
C. potential
D. gravitational
8. Which medical instruments make use of sound energy to detect abnormalities of internal organs? *
1 point
A. Lasers and X-rays
B. Scanning machines
C. stethoscope and ultrasound machine
D. thermometer and lens
16. Energy forms can be ______ *
1 point
A. Changed
B. increased
C. decreased
D. improved
18. Which of the following materials will transform heat energy into light energy? *
1 point
A. Matchstick
B. flashlight
C. television
D. bulb
12. What form of energy is being produced when a bulb is switched on? *
1 point
A. Sound
B. light
C. chemical
D. mechanical
6. What form of energy is stored in the leaves of plants? *
1 point
A. Heat energy
B. Light energy
C. chemical energy
D. mechanical energy
22. Which of the following will convert electrical energy into heat energy? *
1 point
A. Electric fan
B. oven
C. amplifiers
D. electric guitar
11. Which of the following generates electricity? *
1 point
A. Television
B. refrigerator
C. generator
D. oven
20. Which form of energy is NOT used or produced when you run an electric weed trimmer? *
1 point
A. Electrical
B. mechanical
C. sound
D. light
5. A boy threw a ball over the fence. What energy did the moving ball have? *
1 point
A. Heat energy
B. Light energy
C. potential energy
D. kinetic energy
4. Which has potential energy? *
1 point
A. Flying kite
B. Running car
C. stone on a hill
D. rolling boulder
14. Which of the following would produce sound energy? *
1 point
A. Siren
B. drum beat
C. lion’s roar
D. all of these
23. Which shows the flow of energy transformation in a fluorescent lamp? *
1 point
A. Chemical energy --- electrical energy ---- heat energy ---- light energy
B. Electrical energy ---- light energy --- heat energy
C. Chemical energy ---- electrical energy --- heat energy --- light energy
D. Electrical energy --- light energy --- heat energy --- sound energy
9. How is sound energy produced? *
1 point
A. By nuclear fission
B. By traveling in an empty space
C. by vibration of matter
D. due to motion of molecules
3. All potential energy can be changed into_______ *
1 point
A. Kinetic energy
B. Water energy
C. wave energy
D. wind energy
17. What type of energy is produced and wasted during most energy transformation? *
1 point
A. Chemical
B. electrical
C. heat
D. light
13. Which of the following will not produce light energy? *
1 point
A. Cellphone
B. fluorescent bulb
C. television
D. bell
19. Which of the following will change light energy into heat energy? *
1 point
A. Igniting a firecracker
B. Using a flat iron
C. turning the lamp on
D. photosynthesis
7. What form of energy operates LRT and MRT? *
1 point
A. Sound energy
B. Electrical energy
C. solar energy
D. light energy
25. Which sequence of energy transformation takes place when you turn on the radio? *
1 point
A. Light energy ---- heat energy ---- electrical energy
B. Chemical energy ---- electrical energy --- sound energy
C. Electrical energy --- sound energy --- heat energy
D. Electrical energy --- light energy ---- sound energy
1. How do you call the energy stored in an object at rest? *
1 point
A. Kinetic
B. mechanical
C. Potential
D. radiant​