II. TRUE or FALSE
1. Energy is the ability to do work.
2. Light energy radiates in one direction only
3. Solar energy is an example of light energy.
4. We have two sources of light energy, the natural light energy and artificial light
or man-made light energy
5. We don't need electricity in doing things
6. Electricity is used in many industries. It is used to make machines, tools and
other equipment work.
7. In sound waves, energy is transformed through vibration of air particles or
particles of a solid through which the sound travels.
8. The sun is the major source of light energy.
9. Energy transformation starts when energy strikes the Earth's surface.
10. Electricity occurs in two forms: static electricity and electric current.​