Defected
These are the 3 types of point defects
What are vacancy, interstitial, and substitutional
Define what an alloy is
What is a mixture containing at least 1 metal
What type of heat treatment would make steel brittle and harder?
What is quenching
This process occurs when going from a liquid to a solid
What is freezing
Samurai swords come from which culture
What is Japanese
When atoms are missing, this is an example of what point defect
What is vacancy
When metal heats up and cools down, it expands and contracts due to what property
What is thermal expansion
What state of matter exists at the highest energy levels
What is gas
Changing the properties of a material using heat is known as what
What is heat treating
Bending a wire or hammering it causes ________ which makes the wire harder but more brittle.
What are dislocations (work-hardening)
Brass is an alloy of what 2 metals?
What is copper and zinc
Describe the method of tempering steel
What is heat it red hot, quench it, then heat is low
A mixture containing both liquid and solid properties is known as what
What is slush
Older pennies were mainly this metal while newer pennies just have a thin coating of this metal on them
What is Copper
Steel is made from what two elements?
What is iron and carbon
The iron wire demo glowed revealing this property of metal when heated
What is incandescence
When phase changing is occurring, what happens to the temperature
What is it remains constant
We used this metal to cast with
What is Tin
It is possible for a metal to lose its magnetism when it reaches what point
What is the Curie Temperature
The name of the metal chunks and impurities that we scraped off the top after melting metal
What is dross or slag