Question

Which change happens when a fan is turned on?

A. Electrical energy is changed into light energy
B. Heat energy is changed into mechanical energy
C. Mechanical energy is changed into sound energy
D. Electrical energy is changed into mechanical energy

Answer 1

D. Electrical energy is changed into mechanical energy

Step-by-step explanation:

When you turn on the fan, the electricity that is given through the power outlet allows the fan to have the available energy to spins the fan blades. By the fan's blades spinning, this is a movement that can be described as mechanical energy.