A pair of headphones transforms electrical energy into sound energy. A small amount of heat is also produced, causing the headphones to warm up.Identify the waste energy in this scenario.Electrical energySoundHeatKinetic energy

Determine the forms of useful energy and waste energy for these electrical devices. The input energy in each example is electrical energy.DeviceUseful output energyWaste output energyKettleSound, kineticLight bulbFanMusic speakersHeat

Your friend says their laptop speakers create sound energy when they play music. But the energy is not simply created from nothing.Describe where the energy comes from and classify the change in energy as either a transfer or a transformation.

The stored energy available to do work is called ______ energy.Multiple choice question.soundkineticlightpotential

Determine which of these are examples of "lost" energy in the hydroelectric unit.kinetic energy electrical energykinetic energy heat energygravitational potential energy kinetic energykinetic energy sound energy

Leaving your phone charger plugged in even when your phone isn't charging wastes what type of energy?a) Kineticb) Lightc) Electrical (standby power)d) Sound