Share Heat, Light, and Sound Energy
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What is solar energy?
The heat and light from the sun.
What is heat energy?
A form of energy associated with fast and continuous movements of tiny particles in matter called molecules.
What are the three ways of heat transfer? Explain each.
Conduction, Convection, and Radiation
In the electromagnetic spectrum, which has the longest wavelength and the shortest wavelength?
Radio waves have the longest wavelength while the gamma rays have the shortest wavelength.
What are the properties of light?
It can be transmitted, reflected, refracted, and absorbed.
Explain how light can be reflected.
It is the bouncing back of the light from the surface it hits.
Explain how light can be refracted.
The change in speed of light causes the material to appear cut, bent, or refracted.
Explain how light can be absorbed.
Black objects absorb light completely. The absorbed colors are the ones you do not see. You only see the colors that come bouncing back to your eyes.
Give five ways on how you can protect yourself from too much heat and light.
Answers may vary.
How is sound energy produced?
It is produced by the vibration of objects.
What are the three characteristics of sound? Explain each.
Sound can be reflected, refracted, and absorbed.
Give and explain one property of sound.
Pitch, loudness or tone
How can you protect yourself from exposure to excessive sound?
Answers may vary.
Give three examples of soft sound and loud sound.
Answers may vary.
What is noise pollution?
It can cause nuisance.
