Question

Activity A: Sound, Light and Electrical Energy
Select from the box below the statement that tells about the following energy and
their examples. Write in the first row the meaning / statement and in the second row the
examples.
Light Energy
Sound Energy
Electrical Energy
Doorbell
- Electric fan
Flash light
- Flourescent light
Washing machine
Whistle
- It is produced when object vibrates or collides
- Its energy is energy derived from electric potential energy or kinetic energy
It is produced when electrons gain extra energy and move up to a higher energy level around
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Answer 1

Answer:

1) Light Energy-

• Its is the form of energy that produces the sensation of vision.
• E.g. Flash light, Fluorescent light

2) Sound Energy-

• It is a form of mechanical energy which is produced dude to vibration of particles.
• E.g. Whistle, Doorbell (electrical ----> sound)

3) Electrical Energy-

• It is the energy produced due to flow of electrons.
• E.g. Electric fan, Washing machine