Question

In summary, the first and second laws of thermodynamics state that energy can't be ____ or destroyed, it just changes forms. When energy changes forms, some energy becomes unusable _____ energy.

created, potential
changed, heat
changed, kinetic
created, heat

Answer 1

In summary, the first and second laws of thermodynamics state that energy can't be **created** or destroyed, it just changes forms. When energy changes forms, some energy becomes unusable **heat** energy.