sound energy

1. 1. What is sound energy?

• a result when force makes an object vibrate

• a force that makes an object shatter

• the ability to do work

• none of the above

The following are uses of sound except:

• for our safety

• for communication

• for entertainment

• for violence

Which of the following objects produces loudest sound?

• earphones

• speakers

• cellphone

• clapping

SONAR means

• Sonar Navigating Ranger

• Solar Navigating Result

• Sound navigation Ranging

• Self navigating sytem

A process in which animals, for example bats find their way in the dark by producing sound waves that echo when they are reflected off an object.

• SONAR

• Echolocation

• Sound

• Ultrasound

How is sound energy formed?

• through clapping

• through speaking

• through vibrations

• through echolocation

Sound is important because _________________________

• without sound, we will die

• without sound, we can't sleep

• without sound, it will be hard to communicate

• none of the above

____________ is the result when a force, either sound or pressure,

makes an object or substance vibrate.