Name______Class______Date______
Skills Worksheet
Chap 10 Sec. 1 Dir. Rdg Temperature
Section: Temperature
1.Why must you use temperature to specify how hot or cold something is?
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What is Temperature?
_____2.Temperature is a measure of which property of an object’s particles?
a.average potential energy
b.average mechanical energy
c.average kinetic energy
d.average volume
3.As particles in an object move faster, they have more ______, so that the object’s temperature is higher.
4.Particles of matter move at different speeds, so when you measure an object’s temperature, you measure the ______of its particles.
5.How does the amount of a substance affect its temperature? Explain your answer.
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Measuring Temperature
_____6.To measure the temperature of a cup of hot chocolate, you would
a.touch it with your finger.
b.put a thermometer in it.
c.take a sip of it.
d.look at the steam rising from it.
_____7.Mercury and alcohol are used in thermometers because
a.they remain liquid over a large temperature range.
b.they freeze and boil at the same temperatures as water does.
c.they are cheaper to use than other substances.
d.they are safer to use than other substances.
8.The increase in volume of a substance due to an increase in the temperature of the object is called.______
Directed Reading A continued
9.Explain how temperature units (parts) of the Celsius scale are determined. What are the units called?
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10. The temperatures 212ºF, 100ºC, and 373 K are______.
11. The official SI temperature scale uses units called______
12. The temperature at which all molecular motion stops is called______.
13.What equation would you use to convert temperature in degrees Fahrenheit (ºF) to degrees Celsius (ºC)?
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14.Describe how a change in temperature of 1º differs on the Fahrenheit, Celsius, and Kelvin temperature scales.
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More about Thermal expansion
Match the correct description with the correct term. Write the letter in the space provided.
_____ 15. a thin strip of two different metals that coils and uncoils in response to temperature changes
_____ 16. a thin glass tube filled with a liquid that measures temperature
_____ 17. a device that controls the heater in a home
_____ 18. a gap in the pavement of a bridge that allows the bridge to expand without breaking
Directed Reading A continued
19. If the weather is very hot, the pavement of a bridge can heat up enough so that______takes place.
20.Why are two different metals needed when making a bimetallic strip for a home thermostat?
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21.How does thermal expansion make a hot-air balloon rise?
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Holt science and Technology1Heat and Heat Technology