Which Of These Are Good Insulators
Question: Metals are good conductors of both heat and electricity due to:
Answer: Looseness of outer electrons in a metal Atoms
Question: Which of these are good insulators?
Feathers
B. Snow
C.WOOD
D all of the above
E none of the above
Answer: D none of the above
Question: Because of trapped air inside, snow is a
A good insulator
B both a good insulator and a poor conductor
C a good conductor
E none of the above
Answer: B both a good insulator and a poor conductor
Question: On a cold day your feet feel warmer on a rug then on a tile floor because a rug
A for the same mass has more internal energy than tile
B is usually warmer than tile
C is a poor conductor
D all of the above
E none of the above
Answer: C is a poor conductor
Question: In practice, a good insulator
A Slows heat flow
B speeds negative heat flow
C stops heat flow
D all of the above
Answer: a slows heat flow