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it is a form of energy caused by light waves​

Sagot :

angelfhie

Answer:

Heat

Conduction - is the heat transfer through a substance or from a substance to another by a direct contact

Convection - is the heat transfer in liquids and gases as a particles circulates in currents

Radiation - is the transfer of heat through the space in the form of waves

Light

Light bulbs, candles or campfires may be on your list. The sun is an important source, also. Light is energy that travels in waves and is produced by hot, energetic objects.Light bulbs are hot, energetic objects. If you have ever touched a lightbulb while it is on, you know it is hot. You know the light bulb needs energy because you have to turn the light switch on to provide electricity for it. The electricity flows through either a thin metal wire or a gas. The wire or gas glows and gives off light when heated.

Sound

-is a form of energy that causes particles to vibrate back and forth.

Vibration is a rapid movement back and forth. The tree creates vibrations in the air as it falls. The vibrations spread out in all directions. If the vibrations in the air reach you, your eardrum will vibrate and you will hear the sound of the tree falling.

Pitch - how high

or low a sound is. The pitch of an instrument changes by adjusting its length or width. A trom-boneʼs sound changes from low to high as the slide is moved in. The pitch of musical instru-

ments can also be changed by tightening the strings which increases the speed of vibration. It has the greatest length of air space to vibrate, thus creating a low sound.

Absorption - the ability to take in or dampen, soaks up any noise so people can study in quiet surroundings.

To keep areas quiet, such as libraries, there are materials placed in the rooms such as carpet and upholstered chairs to absorb noise

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