Anything that you can hear.
Reflected
Kinetic energy turns into sound energy when an object in motion interacts with air molecules, causing them to vibrate and create sound waves. This can happen when an object moves quickly or collides with another object, converting its kinetic energy into sound energy.
Yes, a sound wave is a mechanical wave. Sound waves need a medium (like air) to travel through. The energy of the wave, the mechanical energy, is transferred into the medium through which it is propagated.
When an object is in motion, such as a falling pencil, it posseses energy, there fore something must absorb it's energy to stop it to a rest. (example- a car in motion stops by the brAke absorbing it's energy). But energy is never destroyed or created, it can only be transferred from one form to another (example- the cars brakes heat up when used because the cars energy is being transferred to heat energy). So, the instant the falling pencil strikes the ground, it stops falling correct? But the energy the previously falling pencil possess must be transferred to another form of energy the energy can't be "lost" right? So what happens is some of the energy is converted to heat when it strikes the ground, you may not believe it but there is heat when it hits the ground because of friction. Furthermore, some of the energy is also converted to sound energy. (the pencil makes a sound when it hits the ground and sound is energy) but the heat and the sound energy combined is not enough to transfer all of the energy of the falling pencil. So where does this little extra energy go? You guessed it! Back up! It hits the ground, it goes back up because not all of it is transferred to another form such as sound or heat so it must go back up- or as you said, bounces. Hope this helped you understand.
Energy transfer in sound waves traveling through air occurs through the compression and rarefaction of air molecules. The sound source creates vibrations that cause these molecules to compress and expand, transferring energy as a wave through the air. This transfer of energy is what allows us to hear the sound.
an example of thermal energy being transformed into sound energy is the crackling of a fire
An example of thermal energy being transformed into sound energy is when a heated metal object, such as a kettle on a stove, produces a whistling sound when the water inside reaches boiling point. The heat causes the metal to expand and vibrate, creating sound waves that we hear as a whistle.
Generally it is transferred into heat and sound while the object is being pushed.
sound is energy transferred by vibrations in a given material
Energy from the electrical buzzer is converted into sound energy, causing the buzzer to vibrate rapidly. These vibrations create pressure waves that travel through the air, resulting in sound waves that can be heard. This is how energy from the buzzer is transferred to the surrounding air in the form of sound.
When a cat hits a small bell with its paw, the kinetic energy from the cat's paw is transferred to the bell, causing it to ring. The kinetic energy is then converted into sound energy as the bell produces sound waves. Overall, the energy conversion involves kinetic energy being transferred and transformed into sound energy.
An example of sound being absorbed is when sound waves hit a soft surface like a carpet or acoustic foam, causing the material to absorb the sound energy rather than reflecting it back into the room. This absorption helps to reduce the overall noise level in a space by converting sound energy into heat energy.
If the energy is carried by waves, it is called wave energy. More specific terms may be used for specific types of waves - for example, "light energy", "sound energy", "gravitational energy", etc.
sound is energy transferred by vibrations in a given material
Perhaps the most general rule as regards the energy of sound is that it is mechanical energy, and for it to propagate, the energy must be transferred into the medium through which it is traveling. Speakers creating sound for entertainment transfer sound energy into the air, and it moves to a listener. A sonar (sound) signal is transferred into water to move out, impinge on objects in the water, and then return (the echo) to a transducer in a system to locate or image underwater objects. Compare this to outer space, which is a vacuum. Sound energy cannot travel there as there is no medium into which the energy can be transferred.
Sound
Energy can be transferred in many different ways; for instance, heat energy can be transferred by conduction, convection and radiation; energy can be transferred by electrical energy, or by sound, light, or by several other waves; a moving object (which has all sorts of types of energy) will change its position; etc.