Chapter 15: Temperature, Heat, And Expansion

42 Questions | Total Attempts: 405

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Chapter 15: Temperature, Heat, And Expansion

Questions and Answers
  • 1. 
    When you touch a cold piece of ice with your finger, energy flows
    • A. 

      From your finger to the ice.

    • B. 

      From the ice to your finger.

    • C. 

      Actually, both ways.

  • 2. 
    Heat energy travels from an object with a high
    • A. 

      Internal energy to an object with a lower internal energy.

    • B. 

      Temperature to an object with a lower temperature.

    • C. 

      Both of these, for they say essentially say the same thing.

    • D. 

      None of the above choices are true.

  • 3. 
    Which of the following normally warms up fastest when heat is applied?
    • A. 

      Water

    • B. 

      Iron

    • C. 

      Glass

    • D. 

      Wood

    • E. 

      All of the above choices are equally true.

  • 4. 
    • A. 

      High specific heat.

    • B. 

      Low specific heat.

    • C. 

      High conductivity.

    • D. 

      Low conductivity.

  • 5. 
    The fact that a thermometer "takes its own temperature" illustrates
    • A. 

      Thermal equilibrium.

    • B. 

      Energy conservation.

    • C. 

      The difference between heat and internal energy.

    • D. 

      The fact that molecules are constantly moving.

  • 6. 
    Heat energy is measured in units of
    • A. 

      Joules.

    • B. 

      Calories.

    • C. 

      Choices A and B are both true.

    • D. 

      Choices A and B are both false.

  • 7. 
    The moderate temperatures of islands throughout the world has much to do with water's
    • A. 

      Poor conductivity.

    • B. 

      Vast supply of internal energy.

    • C. 

      High specific heat.

    • D. 

      High evaporation rate.

    • E. 

      Absorption of solar energy.

  • 8. 
    Ice has a lower density than water because ice
    • A. 

      Sinks.

    • B. 

      Molecules are more compact in the solid state.

    • C. 

      Molecules vibrate at lower rates than water molecules.

    • D. 

      Is made of open-structured, hexagonal crystals.

    • E. 

      Density decreases with decreasing temperature.

  • 9. 
    Compared to a giant iceberg, a hot cup of coffee has
    • A. 

      More internal energy and higher temperature.

    • B. 

      Higher temperature, but less internal energy.

    • C. 

      A greater specific heat and more internal energy.

    • D. 

      None of these

  • 10. 
    Microscopic slush in water tends to make the water density
    • A. 

      Greater.

    • B. 

      Less.

    • C. 

      No change

  • 11. 
    • A. 

      Zero degrees C.

    • B. 

      4 degrees C.

    • C. 

      Minus 32 degrees C.

    • D. 

      None of the above. Ice can form at the surface regardless of the water temperature below.

  • 12. 
    Ice tends to form first at the
    • A. 

      Surface of bodies of water.

    • B. 

      Bottom of bodies of water.

    • C. 

      Surface or bottom depending on the water depth.

  • 13. 
    When an iron ring is heated, the hole becomes
    • A. 

      Smaller.

    • B. 

      Larger.

    • C. 

      Neither smaller nor larger.

    • D. 

      Either smaller or larger, depending on the ring thickness.

  • 14. 
    As a piece of metal with a hole in it cools, the diameter of the hole
    • A. 

      Increases.

    • B. 

      Decreases.

    • C. 

      Remains the same.

  • 15. 
    When we enlarge a photograph of an iron ring, the image of the hole becomes
    • A. 

      Smaller.

    • B. 

      Larger.

    • C. 

      Neither smaller nor larger.

  • 16. 
    When a bimetallic bar made of copper and iron strips is heated, the bar bends toward the iron strip. The reason for this is
    • A. 

      Iron gets hotter before copper.

    • B. 

      Copper gets hotter before iron.

    • C. 

      Copper expands more than iron.

    • D. 

      Iron expands more than copper.

    • E. 

      None of these

  • 17. 
    If glass expanded more than mercury, then the column of mercury in a mercury thermometer would rise when the temperature
    • A. 

      Increases.

    • B. 

      Decreases.

    • C. 

      Neither of these

  • 18. 
    Which of the following expands most when the temperature is increased? Equal volumes of
    • A. 

      Iron.

    • B. 

      Wood.

    • C. 

      Ice water.

    • D. 

      Helium.

    • E. 

      All expand the same.

  • 19. 
    Which of the following expands when the temperature is lowered? Equal volumes of
    • A. 

      Iron.

    • B. 

      Wood.

    • C. 

      Helium.

    • D. 

      Water at 4 degrees C.

    • E. 

      None expands when the temperature is lowered.

  • 20. 
    Consider a closed, sealed can of air placed on a hot stove. The contained air undergoes an increase in
    • A. 

      Mass.

    • B. 

      Pressure.

    • C. 

      Temperature.

    • D. 

      All of these

    • E. 

      Two of these

  • 21. 
    Consider a sample of ice at 0 degrees C. If the temperature is decreased, the volume of the ice
    • A. 

      Increases.

    • B. 

      Decreases.

    • C. 

      Stays the same.

  • 22. 
    Which of the following contracts most when the temperature is decreased? Equal volumes of
    • A. 

      Iron.

    • B. 

      Wood.

    • C. 

      Water.

    • D. 

      Helium.

    • E. 

      All contract the same.

  • 23. 
    Which of the following contracts when the temperature is increased? Equal volumes of
    • A. 

      Iron.

    • B. 

      Wood.

    • C. 

      Ice water.

    • D. 

      Helium.

    • E. 

      None of the above contract when heated.

  • 24. 
    Consider a sample of water at 0 degrees C. If the temperature is slightly increased, the volume of the water
    • A. 

      Increases.

    • B. 

      Decreases.

    • C. 

      Remains the same.

  • 25. 
    When water at 4 degrees C is heated it expands. When water at 4 degrees C is cooled, it
    • A. 

      Contracts.

    • B. 

      Expands.

    • C. 

      Neither contracts nor expands.

  • 26. 
    During a very cold winter, water pipes sometimes burst. The reason for this is
    • A. 

      The ground contracts when colder, pulling pipes apart.

    • B. 

      Water expands when freezing.

    • C. 

      Water contracts when freezing.

    • D. 

      The thawing process releases pressure on the pipes.

    • E. 

      None of these

  • 27. 
    Aluminum has a specific heat capacity more than twice that of copper. Place equal masses of aluminum and copper wire in a flame and the one to undergo the fastest increase in temperature will be
    • A. 

      Copper.

    • B. 

      Aluminum.

    • C. 

      Both the same

  • 28. 
    Can a sample of water possibly have the same volume after being warmed by several Celsius degrees?
    • A. 

      Sometimes

    • B. 

      Always

    • C. 

      Never

  • 29. 
    A temperature difference of 10 degrees Celsius is also equal to a temperature difference of 10 on the
    • A. 

      Fahrenheit scale.

    • B. 

      Kelvin scale.

    • C. 

      Both of these

    • D. 

      Neither of these

  • 30. 
    Room temperature on the Kelvin scale is about
    • A. 

      100 K.

    • B. 

      200 K.

    • C. 

      300 K.

    • D. 

      400 K.

    • E. 

      More than 400 K.

  • 31. 
    Between 0 degrees Celsius and 8 degrees Celsius a red-dyed-water-in-glass thermometer would
    • A. 

      Be especially suitable.

    • B. 

      Always be wrong.

    • C. 

      Give ambiguous readings.

    • D. 

      Explode.

    • E. 

      Implode.

  • 32. 
    • A. 

      They have a low temperature.

    • B. 

      The energy per molecule is very low.

    • C. 

      The energy per molecule is high, but little energy is transferred because of the few molecules in the spark.

  • 33. 
    Some molecules are able to absorb large amounts of energy in the form of internal vibrations and rotations. Materials composed of such molecules have
    • A. 

      Low specific heats.

    • B. 

      High specific heats.

    • C. 

      None of the above

  • 34. 
    The fact that desert sand is very hot in the day and very cold at night is evidence that sand has
    • A. 

      A low specific heat.

    • B. 

      A high specific heat.

    • C. 

      No specific heat.

  • 35. 
    The temperature at the bottom of Lake Tahoe, high in the Sierra Nevada Mountains in California, at this moment is
    • A. 

      Below 4 degrees C.

    • B. 

      4 degrees C.

    • C. 

      Above 4 degrees C.

    • D. 

      Uncertain.

  • 36. 
    • A. 

      Less than 30 degrees C.

    • B. 

      At or about 30 degrees C.

    • C. 

      More than 30 degrees C.

  • 37. 
    If you stake out a plot of land with a steel tape on a very hot day, the actual amount of land you will have will be
    • A. 

      Smaller than measured.

    • B. 

      Larger than measured.

    • C. 

      Correct.

  • 38. 
    Place a kilogram block of iron at 40 degrees C into a kilogram of water at 20 degrees C and the final temperature of the two becomes
    • A. 

      Less than 30 degrees C.

    • B. 

      At or about 30 degrees C.

    • C. 

      More than 30 degrees C.

  • 39. 
    If the specific heat of water were lower than it is, ponds in the cold of winter would be
    • A. 

      More likely to freeze.

    • B. 

      Less likely to freeze.

    • C. 

      Neither more nor less likely to freeze.

  • 40. 
    When ice floats in water, a small part of it extends above the surface. Interestingly enough, the volume of ice that extends above the surface is equal to the volume of the
    • A. 

      Water the ice displaces.

    • B. 

      Vast number of open spaces in the hexagonal ice crystals.

    • C. 

      Both of these

    • D. 

      Neither of these

  • 41. 
    Consider a metal ring with a gap cut in it. When the ring is heated, the gap
    • A. 

      Becomes narrower.

    • B. 

      Becomes wider.

    • C. 

      Retains its size.

  • 42. 
    If you measure a plot of land with a brass tape on a cold day, the actual amount of land you have will be
    • A. 

      Smaller than measured.

    • B. 

      Larger than measured.

    • C. 

      The same.