8. How does energy transform when strumming a guitar? *

A. electrical energy to light energy
B. chemical energy to light energy
C. chemical energy to sound energy
D. mechanical energy to sound energy
9. Which of the following gives the correct order of energy transformation in a burning candle? *

A .chemical – light– light
B. chemical – light – heat
C. heat – chemical – light
D. heat – light – chemical
10. What is always produced when there is energy transformation? *

A. chemical
B. electricity
C. heat
D. light
11. Which shows that chemical energy is changed to mechanical energy? *

A. tapping the drum
B. plucking the guitar
C. switching on the light bulb
D. a horse running after eating grass
12. Which energy transformation takes place when running? *

A.mechanical energy to light
B. mechanical energy to sound energy
C. chemical energy to electrical energy
D.chemical energy to mechanical energy
13. How does energy transform when tapping a drum? *

A. electrical energy to light energy
B. chemical energy to heat energy
C. chemical energy to sound energy
D. mechanical energy to sound energy
14. Which is always produced when there is energy transformation? *

A. heat
B. light energy
C. chemical energy
D. electrical energy
15. What form of energy is transformed to electrical energy if the power plant uses wind as its resource? *

A. light energy
B. sound energy
C. chemical energy
D. mechanical energy