Witches do have magic wands. She bopped the pumpkin with her magic wand and it turned into a coach. Well, most of us aren't possessed of the same kind of transformative power. But the concept remains the same. It doesn't take a rocket scientist to guess which element the Chalice represents.
Water is associated with feelings and camaraderie.
When covens celebrate sabbats and esbats, they will pass the chalice around the circle, each member taking a sip. You see the chalice used today during Christian ceremonies as well. Drinking from the same cup is an age-old custom indicating trust, comraderie, and community. The Pentacle Also known as the pentagram, this is the five-pointed star within a circle. Usually made of clay or stone, the pentacle represents the element of earth on an altar.