c.11 Flashcards
1
Q
what is a conductor
A
it is a material that allows easy transfer of energy
2
Q
what is an insulator
A
it is a material that doesn’t allow easy transfer of energy
3
Q
What is thermal conductivity
A
a materials ability to transfer heat throughout. high thermal conductivity means heat passes through easier
4
Q
what is a R -value
A
A rating for how good of an insulator a material is. the higher the R-value the better the insulator
5
Q
I burn my hand when holding a paper coffee cup from Timmy’s, the cup has high or low thermal conductivity?
A
High
6
Q
Insulators have what kind of thermal conductivity
A
low
