The element of substance is earth. Earthbending, one of the four elemental bending techniques, is the geokinetic power to manipulate earth and rock in all its forms, which is common in the Earth Kingdom and the United Republic. The other three bending methods are firebending, waterbending, and airbending.
Bending the earth allows someone to create pathways, bridges, walls, and objects else where would otherwise be impossible. It can also protect people from earthquakes, volcanoes, and other dangers related to earth's movement.
The ability to bend the earth has been known since ancient times. It was described in many cultures' myths and legends, including those of China, Japan, and India. In modern times, it was used by Bruce Lee in his films and by Wu Yongxiang in the 1980s television series Dragon: A New Adventure.
No, it is not possible to bend the earth. However, there are structures in the world that require serious bending of the earth to build them. One example is a suspension bridge, which is basically a cable crossing over a valley or other gap in the ground. A suspension bridge uses two parallel cables attached to towers on either side of the gap that connect with the cables.
Lavabending is extremely straightforward to describe given that we have a broad understanding of earthbending. To melt rock, an earthbender simply applies enough pressure to it with electric fields to cause it to heat up and become liquid. To move lava, earthbenders would simply employ induction charging, like they do with normal earth. This would be similar to how electricity is moved through a circuit board or radio wave sent through the air. However, since lava is hot, it could also be driven by steam, which requires more research.
In conclusion, yes it is possible to earthbend. However, there are many factors that would need to be considered when doing so. First, you would need access to lava or molten rock, as well as sufficient pressure to cause it to liquefy. Then, you would need an adequate source of energy to induce current into the material you want to bend. Finally, you would need to properly channel this energy to create a solid object.
The ground is precisely as described. It is a physical (and electrically) linked ground to the earth through a conductive substance such as copper, aluminum, or an aluminum alloy. The ground wire on a house wiring system enters through a metal connector attached to the exterior wall of the house near the street meter. It passes along the foundation and into the basement where it connects to another metal connector. This connection serves as both an electrical and a mechanical ground.
The electric power company connects its distribution panel to the same two connectors used by the house for its ground wires. One of these connections is used as a return path for current when electricity is transmitted onto the neighborhood streets. The other connection is used to send current back to the distribution panel when there's a fault in one of the houses. The grounding conductor keeps these currents from entering any other part of the electrical system through people or equipment that might be connected directly to the public utility grid.
Grounding conductors are also used with three-phase power systems to provide an alternative path for current if any phase goes down. If this happens, the entire circuit must be rewired so that each household member has a separate ground lead. The new ground leads should be connected to the same metal connectors used by the original ground wires; otherwise, they won't work properly.
Bonebending is a sub-skill of earthbending that allows an earthbender to generate and bend bone-like material in the same way that ordinary earth is bent. This ability is so uncommon that just two earthbenders have possessed it. The first was Tsung, who developed his technique after being kidnapped by wild humans and forced to fight for his life. The only tool they had at their disposal were rocks, and so Tsung learned to use these objects as weapons by bending them into knives, spears, and even guns.
The other known example is Bao, an experienced miner who traveled with the group to evacuate Earth's population. It is not known how he came by this ability, but it is suspected that he may have been born with it.
In terms of usage, bonebenders are able to create weapons out of nothing more than thin air, which makes them particularly dangerous opponents to face in battle. However, they can also use their power in less violent ways for example by healing injuries or manipulating bones to build structures.
Furthermore, although rare, there are examples of earthbenders who are thought to possess knowledge on how to revive deceased beings with its energy, probably using bone-shaped objects as key elements in rituals performed by other earthbenders.