Activity 1: Crossword Puzzle Direction: Answer the word puzzle associated to heat and work. ACROSS 2.a change from one form of energy to another 6.temperature scale used by most scientists 8.the energy that results from the position or shape of an object 10.the measure of how hot or cold an object is DOWN 1.thr sum of kinetic energies of all particles in the system 3.the scientific principle that energy is neither lost nor created 4.the change in mechinical energy 7.also known as thermal energy 5.energy that results from the motion of an object 9.the ability to do work or change