Practice Summary Of Thermal Physics (7) - Thermal Physics

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6 sample questions

Question 1.
What does temperature measure?
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Think about what happens to particles when they heat up.
Question 2.
What is the unit of heat?
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What is the same unit used for energy?
3Question 3.
What does heat refer to?
- Energy transfer due to temperature difference
- Temperature of a system
- Amount of thermal energy
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Think about energy flow between warmer and cooler objects.
4Question 4.
True or False: All materials expand when heated.
- True
- False
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Think about how metal objects can fit loosely at high temperatures.
Question 5.
A 1 kg aluminum block is heated from 20°C to 100°C. Calculate the amount of heat energy absorbed if the specific heat capacity of aluminum is 900 J/kg°C.
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Identify m, c, and ΔT and apply the formula.
Question 6.
You have two containers, one with boiling water and one with ice water. Describe the energy transfers happening between them.
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Consider the flow of heat based on temperature gradients.

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