What is the light?

Example:

• There are many example we see in our routine life carrying light energy like lightened candle, flash light, fire, Electric bulb, kerosene lamp, stars and other luminous bodies etc. Each act as a source of light.

Explain:

• Light is a form of electromagnetic radiation with a wavelength which can be detected by the human eye. It is a small part of the electromagnetic spectrum and radiation given off by stars like the sun.

What is the sound?

example:

• these are the ones you hear around you.

explain:

• the sound you hear pretended on the radio on tv and people.

What is the heat?

example:

• The biggest example of heat energy in our solar system is the sun itself.

explain:

• Heat is the form of energy that is transferred between systems or objects with different temperatures (flowing from the high-temperature system to the low-temperature system).

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