Metal Answers

Answers may vary, but should be similar to the following: Metalworking is the craft of using metal to create different parts, or assemble them together, or larger structures. Metalworking began in the Stone Age. The ancient people knew of seven metals, which were used to fashion tools for hunting, protection, and survival. Metalworking reached new heights during the Bronze Age, which began around 2700 BCE. Later came the Iron Age in the 12th century BCE.

Milling is a form of cutting where by a metal is made into to a specified geometry by removing excess material using various kinds of tooling leaving a finished part matching a set of specifications. Welding is a fabrication process which joins two pieces of material. This can be done by either melting the pieces together, or by using pressure in conjunction with heat, or by itself.

Bronze is an alloy of copper and tin, making it easier to cast and corrosion-resistant, while iron is a pure element that can be forged into very strong but rust-prone objects. Bronze was used earlier in history for weapons and statues, whereas iron enabled stronger tools during the Iron Age. Both metals continue to be used in art and industry today.

Answers may vary, but should be similar to the following: Gold is a highly sought after dense, malleable, shiny, and soft precious metal that has been used as a form of currency for many centuries. It is the most valuable precious metal. It is aesthetically and intrinsically pleasing and has religious or symbolic meaning in many cultures.

Metal is an element with super and electric and thermal conductivity, high luster, and sensitivity. The four main types of metal are gold, bronze, silver, and iron.

The image above is an example of an ancient piece of jewelry. Jewelry was not only for aesthetic purposes in ancient times, but also for spiritual reasons. In ancient times, many people believed that wearing jewelry allowed a person to be spiritually connected to the gods. Today jewelry can still be a form of spiritual connection (Ex: Christian cross, Star of David, etc.), but most people see them as a reminder rather than a way of connecting or a from of protection. Jewelry for the most part is now ornamental.

Metal has always been the primary material used by civilizations to make weapons. The amount of metal possessed by a nation can greatly influence how a nation is viewed, feared, and respected by surrounding nations. Metal can be used to create strong weaponry for war, or can serve as a form wealth.

This statue is the Statue of Liberty. It was created using copper sheets for the outer skin that developed a green patina, along with an internal iron framework, employing repoussé metalworking techniques.