It is important for any civilization to conserve its energy.
Energy that is not actively conserved will be lost forever.
Energy cannot be created or destroyed, only transformed.
Because you aren't moving, you have no energy.
You have potential energy.
You have kinetic energy.
You have both kinetic energy and potential energy.
The magnet inside made the energy and passed it to the light bulb.
The energy you used to turn the crank was converted into electricity.
By turning the crank, you turned on a battery inside the generator.
Only when its flying across the room.
Only when it was stretched tight.
Both when its stretched tight and when its flying across the room.
There is not enough information to answer this question.
Coal and oil are burned to heat up wires, which makes energy flow through wires.
Humans mine rocks that are naturally magnetic and electric. These are made into large batteries.
Humans heat up water and create steam in order to spin magnets near wires.
Earth's magnetic field is used to create electricity.
No one knows for sure where electricity comes from.