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Flashcards in Chapter 9: Vocab Deck (17)
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1

What is how hot or cold something is; it measures the average kinetic energy of the particles of a substance?

Temperature

2

What is the temperature scale with a boiling point of (212) and a freezing point of (32) for water?

Fahrenheit

3

What is the temperature scale divided into 100 equal units between boiling point (100) and freezing point (0) for water?

Celsius

4

What is the fourth state of matter that exists inside starts? (Temperature millions of degrees Celsius)

Plasma

5

What is the temperature at which all molecular motion stops? (0 Kelvin)

Absolute Zero

6

What is thermal energy transferred from one subject to another due to temperature difference?

Heat

7

What is any substance lacking thermal energy?

Cold

8

What is the amount of heat required to raise the temperature of 1 gram of water by 1C? (4.2J)

Calorie

9

What is this law of conservation of energy?

1st Law of Thermodynamics

10

What is any substance or well defined group of atoms, molecules, or objects?

System

11

What is heat never spontaneously flows from a cold substance to a hot substance?

2nd Law of Thermodynamics

12

What is a quantitative measure of disorder or randomness?

Entropy

13

What states no system can reach absolute zero?

3rd Law of Thermodynamics

14

What is the quantity of heat required to change the temperature of a substance by 1C?

Specific Heat Capacity

15

What is the expansion of a substance due to increased molecular motion in the substance?

Thermal Expansion

16

What is used in thermostats, thermometers, and refrigerators and act as switches?

Bimetal Strips

17

What is the total energy of all atoms and molecules of a substance? (includes both kinetic and potential energy)

Thermal Energy