A bare roof of a warmly heated home on a snowy day indicates
A) an unwanted flow of heat.
B) good insulation.
C) a change of phase.
D) all of the above
Correct Answer:
Verified
Q2: Which of these are good conductors?
A)feathers.
B)wood.
C)snow.
D)all the
Q8: The main reason you can walk barefoot
Q9: Conduction has most to do with electrons
Q11: A water-filled paper cup held in a
Q12: Metals are both good heat and electrical
Q14: Warm air rises because faster moving molecules
Q15: Your bare feet feel warmer on a
Q16: A good heat conductor is a
A)poor insulator.
B)good
Q18: In practice, a good insulator
A)stops heat flow.
B)slows
Q18: Spun glass is a relatively
A)good conductor.
B)poor conductor.
C)both
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