6. Which sequence of energy transformation takes place when you turn on an electric
bulb?
Electrical-heat-light
c. heat-light-electrical
b. Light-heat-electrical
d. electrical-light-heat
7. What energy transformations take place when an electric drill is used?
Electrical-mechanical
c. electrical-sound-heat
b. Electrical - sound
d. electrical-mechanical-heat
Which of the following shows the mechanical-sound energy?
a. Rice cooker
b. flat iron
c. alarm clock d.oven toaster
9. What energy transformation takes place in the engine of a typical train?
a. Electrical-mechanical
c. chemical-mechanical
b. Radiant-electrical
d. mechanical-electrical
10. What energy transformation does a blender or mixer show?
a. Mechanical-electrical
C. mechanical-chemical
b. Electrical-mechanical
d. thermal-mechanical

PA RULONG PO SA MGA MAGAGALING SA SCIENCE ​