Answer:
potential
Step-by-step explanation:
Each time energy is transferred into an object, two things happen.
It is either used to do work, or it is stored in the object.
If it is stored, the object is given potential energy that can be released to do work.
it is like in a coiled spring or a stretched elastic band. The energy is stored in the bonds between atoms. The bonds absorb energy as they are put under stress and release the energy as they relax (when the object returns to its original shape).