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Heat Transfer Flashcards | StudBud
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Heat Transfer
Heat Transfer
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Questions
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Answers
1
The example of a spoon becoming hot to the touch, in contact with a heated substance is called
conduction
insulators
radiation
convection
2
This type heat transfer can take place through space without particles of matter colliding .
Radiation
Conduction
Convection
Conclusion
3
As radiation moves heat from the sun to the earth which of these is NOT true?
you feel heat without touching source
you can not get burned
you can use the radiation to do work
radiation provide uneven heat to our planet
4
This type of thermal (heat) transfer occurs by the movement of heat within a liquid or gas.
Conduction
Conclusion
Convection
Radiation
5
heat in a gas moves upward, away from the source of heat is becomes more dense and falls.
conduction
Conductor
Radiation
Convection currents
6
Convection currents flow in what parts of our world giving us an example of how it works?
Oceans and Atmosphere
Oceans and Mountains
Oceans and Lakes
Rivers and Continents
7
Heat is always moving. How does it flow?
In circles around the center
From a warmer area to a colder area
From a colder area to a warmer area
In a direct line
8
When a fluid cools, the particles move closer together and the density does what?
decrease
slows down
does not change
increases
9
Which of these is a better conductor of heat?
Wooden spoon
Metal spoon
Plastic spoon
Glass coffee cup
10
When a liquid or gas is heated the particles move how?
slower
in a circle
in a line
faster
