A physics exhibition contains three displays. One contains a spinning metal disc, another contains two magnets that have been pushed together and held still, and the third contains electric charges that have been pulled apart and kept separated.
Complete the statements by naming the main energy store in each display.
In the first display, energy is held in the ........................................ energy store of the spinning disc.
In the second display, energy is held in the ........................................ energy store of the magnets.
In the third display, energy is held in the ........................................ energy store of the separated charges.