Demonstrate how sound, heat, light and electricity can be transformed
6. What is the heart of any power plant that converts mechanical energy into electrical
energy?
a electricity
b. power
© turbines d. appliances
7. Which of these is NOT a precautionary measures in using electricity?
a. Avoid octopus connections.
b. Check all the wirings of your appliances
c. Do not place appliances close to water sources
d. Leave all appliances on when having a vacation for a long time.
8. What happens when heat is absorbed by an object?
a. It turns into sound energy
c. it turns into kinetic energy
b. It turns into kinetic energy
d. It turns into mechanical energy
9. What happens when a spoon absorbs heat?
a. Its molecules vibrate faster
c. Its molecules vibrate gently
b. Its molecules stop vibrating.
d. Its molecules vibrate slower
10. Light energy cannot move objects on its own. It is transformed to what form of energy
in order to make things move?
c. mechanical energy
a kinetic energy
d. electrical energy
b. potential energy
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Answer:
Question and Choices
6. What is the heart of any power plant that converts mechanical energy into electrical
energy?
a electricity
b. power
© turbines d. appliances
7. Which of these is NOT a precautionary measures in using electricity?
a. Avoid octopus connections.
b. Check all the wirings of your appliances
c. Do not place appliances close to water sources
d. Leave all appliances on when having a vacation for a long time.
8. What happens when heat is absorbed by an object?
a. It turns into sound energy
c. it turns into kinetic energy
b. It turns into kinetic energy
d. It turns into mechanical energy
9. What happens when a spoon absorbs heat?
a. Its molecules vibrate faster
c. Its molecules vibrate gently
b. Its molecules stop vibrating.
d. Its molecules vibrate slower
10. Light energy cannot move objects on its own. It is transformed to what form of energy
in order to make things move?
c. mechanical energy
a kinetic energy
d. electrical energy
b. potential energy
Answer:
6.C
7.D
8.A
9.C
10.B