Materials Impact on Present Society
This element is a major part of the computer industry’s success in the past 50 years.
What is silicon.
These two elements have been used as currency since B.C.E. due to their extrinsic value.
What is gold and silver.
NPSE stands for?
What is National Society of Professional Engineers.
Steel is produced by adding small percentages of _____ into iron.
What is carbon.
This man was frozen solid with a copper axe thousands of years ago. Researchers say he lived during the bronze age because his axe is a copper/arsenic alloy.
Who is Otzi (the Iceman).
Contact lenses are one of the many applications of this class of materials.
What are biomaterials.
____ allowed people to transition out of a hunter-gatherer lifestyle because people were able to create great tools out of it.
What is copper.
Engineer A notices his colleague, engineer B, is falsely claiming responsibility for projects they never took part in. Engineer A should report this violation to this agency.
What is the Board of Ethical Review.
A material can return to its original form after experiencing this type of deformation
What is elastic deformation
In 1982, America began coating this metal in copper when making pennies because copper’s value was rising above one cent.
What is zinc.
This metal is lightweight, yet strong, and is heavily used in aircraft and spacecraft.
What is titanium.
This material was used in pipes, paint, and gasoline until it was discovered to cause sickness and possibly death.
What is lead.
Engineers must hold paramount the _____, _____, and ______ of the public in all their professional duties.
What is safety, health, and welfare.
The ____ _____ in a phase diagram is the lowest melting point of a mixture of two components.
What is the eutectic point.
During Napoleon’s reign in the 19th century, this metal was used for his plates and silverware because it was considered luxury.
What is aluminum.
This criminal organization is destroying riverbeds and lake shores in order to feed the world’s desire for cement.
What is the sand mafia.
The Roman Empire collected much of this material after invading Britain in 43 AD.
What is tin.
The San Bruno pipe explosion of 2010 occurred because engineers with PG&E misreported the condition of the pipes for many years prior in order to cut costs. The engineers broke this rule of the engineering code of ethics
What is engineers shall avoid deceptive tasks.
This is the close packed plane of the BCC cubic structure.
What is {1 1 0}.
This man lived during the samurai era and is recognized as the greatest Japanese swordsmith.
Who is (Goro Nyudo) Masamune.
______ is the most common ______ used in society today. Two ways it’s used are in water bottles and bulletproof vests.
What is polyethylene and polymer.
In the 1950’s, many people suffered from Minamata disease, an illness that causes brain damage, because they are lots of fish that were poisoned by this metal.
What is mercury.
In 1981, the Hyatt Regency Skywalk collapsed because the skywalk did not meet weight regulations. The project manager had been informed of this by a structural engineer during construction, but they ignored it. The project manager broke this rule of the engineering code of ethics.
What are engineers shall act for each employer or client as faithful agents or trustees.
The _____ process is used to grow single crystals of semiconductors.
What is Czochralski.
In the 19th century, this Belgian king used Congolese slaves to farm the latex-rich plants in the Congo.
Who is King Leopold II.