Boiling happens when enough energy is transferred that the substance evaporates as fast as it can. The number of particles does not change during a change of state, only their spacing and arrangement.

Key fact: Energy can be changed from one form to another but cannot be created or destroyed. The total amount of energy does not change. In the above Sankey diagram, note that 100 J of electrical ...

cells seek their energy in the form of food molecules or sunlight. In fact, the Sun is the ultimate source of energy for almost all cells, because photosynthetic prokaryotes, algae, and plant ...