Talk to a physician with experience treating facet joint pain to learn which of these options may be right for you: 1  Medication. 2  Physical Therapy. 3  Facet Joint Injections. 4  Nerve Ablation. 5  Facet Restoration.
Lesson Summary. Energy levels inside an atom are the specific energies that electrons can have when occupying specific orbitals. Electrons can be excited to higher energy levels by absorbing energy from the surroundings. Light is emitted when an electron relaxes from a high energy state to a lower one.
Full Answer. A calorie is a unit of energy that measures how much energy is needed to increase the temperature of a single gram of water. The primary measure of energy, however, is the joule, which is equal to one newton-meter. It is the standard unit of energy in both the imperial and metric system.