Practice Conduction (10.5.1) - Quantity of Heat

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10 questions

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6 sample questions

Question 1.
What is conduction?
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Think about touching a warm spoon.
Question 2.
Name one good conductor.
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What do you often see in wires?
3Question 3.
What is the process by which heat is transferred through direct contact?
- Convection
- Conduction
- Radiation
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Think about a hot metal object touching something cold.
4Question 4.
True or False: Insulators conduct heat well.
- True
- False
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Consider materials like rubber.
Question 5.
A 1 m long copper rod with a cross-sectional area of 1 cm² has one end at 100°C and the other at 25°C. Calculate the heat transfer per second through the rod if the thermal conductivity is 390 W/m·K.
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Make sure you convert area to square meters correctly.
Question 6.
How does changing the thickness of insulation in a wall affect heat conduction?
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Think of how more layers in clothing keep you warmer.

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