Forms of Energy

Yes or No? Keep the television on, even when it is not in use.

An example of a loud sound is a ( shout, whisper )

A ( nonluminous, luminous ) object produces or gives off light.

Yes or No? Touch hot objects directly using your hands.

Yes or No? The sound of music is pleasant to the ears.

Yes or No? Keep the refrigerator open at all times.

Yes or No? Use energy-saving bulbs.

An example of an artificial light source is ( light, Moon ).

Yes or No? Wear oven gloves in removing hot pans from the oven.

Yes or No? All sounds are loud.

Yes or No? We should always speak in a moderate voice.

To ( give off, vibrate ) means to move back and forth.

( An artificial, A natural ) light source is a man-made object that gives off or reflects light.