Winston Schultz
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Temperature, Heat, and Expansion. & Heat Transfer.

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Winston Schultz
Created by Winston Schultz over 8 years ago
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Ch. 15 & 16

Question 1 of 32

1

Temperature is most closely related to molecular

Select one of the following:

  • Kinetic energy.

  • electrical energy.

  • potential energy.

  • mechanical energy in general.

Explanation

Question 2 of 32

1

Which temperature scales have equal sized degrees?

Select one of the following:

  • Celsius and Kelvin.

  • Fahrenheit and Kelvin.

  • Fahrenheit and Celsius.

  • none of the above.

Explanation

Question 3 of 32

1

Which temperature scale has the smallest sized degrees?

Select one of the following:

  • Celsius

  • Farenheit

  • Kelvin

  • none of the above

Explanation

Question 4 of 32

1

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

Select one of the following:

  • Kelvin Scale.

  • Fahrenheit Scale.

  • both of these

  • neither of these

Explanation

Question 5 of 32

1

Room temperature on the Kelvin scale is about

Select one of the following:

  • 200 K.

  • 400 K.

  • more thank 400 K.

  • 100 K.

  • 300 K.

Explanation

Question 6 of 32

1

When you touch a cold piece of ice with your finger, energy flows

Select one of the following:

  • from your finger to the ice.

  • from the ice to your finger.

  • actually, both ways.

Explanation

Question 7 of 32

1

When you touch a hot potato with your finger, energy flows

Select one of the following:

  • from the potato to your finger.

  • from your finger to the potato.

  • actually, both ways.

Explanation

Question 8 of 32

1

Heat energy travels from an object with a high

Select one of the following:

  • temperature to an object with a lower temperature.

  • internal energy to an object with a lower internal energy.

  • both of the above

  • none of the above

Explanation

Question 9 of 32

1

Heat energy is measured in units of

Select one of the following:

  • calories.

  • joules.

  • both of these.

  • neither of these.

Explanation

Question 10 of 32

1

The amount of heat needed to raise the temperature of 1 gram of water by 1°C is

Select one of the following:

  • 4.19 calories.

  • 4.19 joules.

  • 4.19 Calories.

  • none of the above

Explanation

Question 11 of 32

1

Which unit represents the most energy?

Select one of the following:

  • joule

  • calorie

  • Calorie

  • all the same

Explanation

Question 12 of 32

1

Pour a liter of water at 40°C into a liter of water at 20°C and the final temperature of the two becomes

Select one of the following:

  • less than 30°C.

  • at or about 30°C.

  • more than 30°C.

Explanation

Question 13 of 32

1

A substance with a high thermal inertia (resistance to temperature change) has a high

Select one of the following:

  • specific heat capacity.

  • temperature, in many cases.

  • heat conductivity.

  • energy content.

Explanation

Question 14 of 32

1

Aluminum has a higher specific heat capacity than iron. This means that for equal masses of aluminum and iron, the metal that heats more quickly when the same amount of heat is applied is

Select one of the following:

  • aluminum.

  • iron.

  • need more information

Explanation

Question 15 of 32

1

Tomatoes have a higher specific heat capacity than dough. This means that when you bite into a hot pizza

Select one of the following:

  • the dough feels hotter than the tomato sauce.

  • since sauce and dough are at the same temperature, neither feels hotter.

  • the tomato sauce feels hotter than the dough.

Explanation

Question 16 of 32

1

A substance that cools down faster than others has a

Select one of the following:

  • low specific heat capacity.

  • high specific heat capacity.

  • either of these

  • neither of these

Explanation

Question 17 of 32

1

The fact that desert sand is very hot in the day and very cold at night is evidence that the specific heat capacity of sand is relatively

Select one of the following:

  • practically absent.

  • low.

  • high.

Explanation

Question 18 of 32

1

If the specific heat capacity of water were lower than it is, a nice hot bath would be a

Select one of the following:

  • longer experience.

  • shorter experience.

  • same regardless of water's specific heat capacity.

Explanation

Question 19 of 32

1

When most substances are heated, molecules inside move faster and take up more space, resulting in thermal

Select one of the following:

  • contraction.

  • heat.

  • bending.

  • expansion.

Explanation

Question 20 of 32

1

When an iron ring is heated, the hole becomes

Select one of the following:

  • larger.

  • neither smaller nor larger.

  • either smaller or larger, depending on the ring thickness.

  • smaller.

Explanation

Question 21 of 32

1

As a piece of metal with a hole in it cools, the diameter of the hole

Select one of the following:

  • decreases.

  • increases.

  • remains the same.

Explanation

Question 22 of 32

1

Metals are good conductors of both heat and electricity due to

Select one of the following:

  • both transferring energy easily.

  • looseness of outer electrons in metal atoms.

  • similar thermal and electrical conductive properties.

  • relatively high densities of metals.

  • high elasticity of metals.

Explanation

Question 23 of 32

1

A good heat conductor is

Select one of the following:

  • a poor insulator.

  • a good insulator.

  • neither of these.

Explanation

Question 24 of 32

1

Which of these are good conductors?

Select one of the following:

  • wood.

  • feathers.

  • snow.

  • all of the above.

  • none of the above.

Explanation

Question 25 of 32

1

On a cold day your feet feel warmer on a rug than on a tile floor because a rug

Select one of the following:

  • for the same mass has more internal energy than tile.

  • is usually warmer than tile.

  • is a poorer conductor.

  • all of the above

  • none of the above

Explanation

Question 26 of 32

1

When you touch a nail stuck in ice, energy flows from

Select one of the following:

  • the ice to your hand.

  • your hand to the ice.

  • both of these

  • neither of these

Explanation

Question 27 of 32

1

If a volume of air is warmed, it expands and tends to

Select one of the following:

  • warm.

  • cool.

  • neither of these

Explanation

Question 28 of 32

1

When a volume of air is compressed, air temperature

Select one of the following:

  • increases.

  • decreases.

  • neither of these

Explanation

Question 29 of 32

1

The form of heat transfer that doesn't depend on a medium is

Select one of the following:

  • convection.

  • conduction.

  • radiation.

  • all of the above.

Explanation

Question 30 of 32

1

The higher the temperature of an object, the

Select one of the following:

  • makes no difference in the wavelengths it radiates

  • shorter the wavelengths it radiates.

  • longer the wavelengths it radiates.

Explanation

Question 31 of 32

1

If a pizza radiates more energy than it absorbs, its temperature

Select one of the following:

  • decreases.

  • increases.

  • is unaffected.

  • none of the above

Explanation

Question 32 of 32

1

Glass in a florist's greenhouse acts as a one-way valve in that it

Select one of the following:

  • lets light energy flow only in one direction.

  • is transparent only to lower-frequency waves.

  • cuts off unwanted radiation.

  • allows sun's light waves in and blocks waves with longer wavelength to exit.

Explanation

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