Relier Pairs ScienceVersion en ligne What do you know about energy? par Christina Spalding 1 Kinetic energy 2 Physical law 3 Mechanical energy 4 Law of conservation of mass 5 Potential energy 6 Law of conservation of energy 7 Mechanics 8 First law of thermodynamics 9 Energy Study of motion. Laws put in place by God to govern how things work in the universe. Energy that is being used. Matter cannot be created or destroyed it can only change forms. In a closed system, energy can neither be created nor destroyed, only transformed or transferred. Energy of motion. Energy cannot be created or destroyed it can only change forms. The ability to perform work. Energy that is being stored.