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Specific Heat slides 4
1
October 22, 2015
Heat capacity is a measurement of how much energy is required to increase the temperature of a substance.
A substance with a high heat capacity can hold a lot of heat before its temperature increases.
Heat Capacity
Specific Heat slides 4
2
October 22, 2015
Another way to think about heat capacity is to say that a substance with a high heat capacity will heat up slower than a substance with low heat capacity.
Heat Capacity
Aluminum
Heat capacity: 0.900 Copper
Heat capacity: 0.385
Which will heat up faster: copper or aluminum?
Answ
erDo you think land or water has a higher heat capacity?
In other words, which will take longer to heat up?
Heat Capacity Demo
Specific Heat slides 4
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October 22, 2015
Water has a much higher heat capacity than land. It warms up much slower than land.
Heat Capacity of WaterThink about the beach on a hot, summer day. You often have to run across the sand so that you don't burn your feet. The ocean, however, feels much cooler.
Which has a higher heat capacity: water or land? Click below to check your answer.
1 Heat capacity is the amount of energy needed to ___ the temperature of a substance.
A raise
B lower
Answ
er
A
Specific Heat slides 4
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October 22, 2015
2 A substance with a high heat capacity warms up faster than a substance with a low heat capacity.
True
False
Answ
er
3 Which has a higher heat capacity?
A water
B landAn
swer
Specific Heat slides 4
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October 22, 2015
4 Iron has a heat capacity of 0.48. Lead has a heat capacity of 0.13. If a sample of each receives direct sunlight for 30 minutes, which will have a higher increase in temperature?
A iron
B lead Answ
er