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Physics Exam IV Review

# Physics Exam IV Review - Physics Exam IV Review Chapter 10...

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Physics Exam IV Review Chapter 10 – Thermal Physics 1. If you were to make a very sensitive glass thermometer, which of the following working liquids would you choose? ( Quick quiz 10.3 ) a. mercury b. alcohol c. gasoline d. glycerin 2. Two spheres are made of the same metal and have the same radius, but one is hollow and the other is solid. The spheres are taken through the same temperature increase. Which sphere expands more? ( Quick quiz 10.4 ) 3. A helium-filled balloon is released into the atmosphere. As the balloon rises what does it do? ( Quick quiz 10.5 ) 4. One container is filled with argon gas and another with helium gas. Both containers are at the same temperature. Which molecules have the higher rms speed? ( Quick quiz 10.6 ) 5. Why does an ordinary glass dish usually break when placed in a hot oven? Dishes made of Pyrex glass do not break so easily. What characteristic of Pyrex prevents this from happening? ( Concept question 1 ) 6. In an astronomy class, the temperature of the core of a star is given as 1.5 x 10^7 degrees. A student asks if this is Kelvin or Celsius. How would you respond? ( Concept question 3 ) 7. Why is a power line more likely to break in winter than in summer even if they are loaded with the same weight? ( Concept question 8 ) 8. After food is cooked in a pressure cooker, why is it important to cool the container with cold water before attempting to remove the lid? ( Concept question 10 )

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9. Small planets tend to have little or no atmosphere. Why is this? ( Concept question 14 ) Chapter 11 – Energy in Thermal Processes 10. Imagine you have 1 kg each of iron, glass, and water, and that all three samples are at 10 degrees Celsius. ( Quick quiz 11.1 ) a. Rank the samples from lowest to highest temperature after 100J of energy is added to each by heat b. Rank them from least to greatest amount of energy transferred by heat if enough energy is transferred so that each increases in temperature by 20 degrees Celsius 11. How long will an ice cube wrapped in a wool blanket remain frozen for compared to an identical ice
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Physics Exam IV Review - Physics Exam IV Review Chapter 10...

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