Elemental meditations are good ways to infuse yourself with the energies of the elements. You can attune yourself to their properties, using their energy to relax, energize, and achieve balance. Many people who are out of balance with the elements suffer from various ailments and unnessecary stress. Meditation upon the various elements helps to bring balance to these ailments.
First, one must know the basics of meditation. Then, one must be familiar with the elements themselves. These meditation are a way to do that.