Convection Answers
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Earl is using his hands to hold a metal pan 10 centimeters above a hot burner. How can this scenario be changed to demonstrate conduction between the pan and the burner?
A
increase the temperature of the burnerB
use a glass pan instead of a metal panC
use foam potholders to hold the panD
touch the pan to the burner3
Conduction can occur within a single substance, but parts of the substance must have which property?
A
different temperaturesB
different texturesC
different particle sizesD
different colors4
How does a foam-filled winter coat help keep a person warm?
A
It slows down the transfer of thermal energy from outside to inside the coat.B
It slows down the transfer of thermal energy from inside to outside the coat.C
It speeds up the transfer of thermal energy from outside to inside the coat.D
It speeds up the transfer of thermal energy from inside to outside the coat.5
Which explains why conduction is unlikely when ice is placed on a freezer shelf?
A
There is no direct contact.B
The ice is too cold.C
The shelf acts as an insulator.D
The ice and shelf are the same temperature.Did you find these answers helpful?
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