Exam 3

20 flashcardsby Santiago
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1
What is tested using an experiment?
Hypothesis
2
What serves as a measure of hotness and coldness?
Temperature
3
What term refers to the energy of motion?
Kinetic Energy
4
What does average kinetic energy in terms of the molecules of a gas measure?
Temperature
5
What is the SI unit of heat?
Joule
6
What term refers to the amount of heat necessary to change the temperature of 1 kg of a substance by 1 degree Celsius?
Specific Heat
7
What term refers to the energy of position?
Potential Energy
8
What term refers to the heat transfer that involves mass movement?
Convection
9
What is force times distance?
Work
10
How are the Sun’s rays transmitted to Earth?
Radiation
11
What’s the equation for heat required to melt?
H = mass x heat of fusion
12
What term refers to the amount of heat necessary to change 1kg of a solid into a liquid at the same temperature?
Larent Heat of Fusion
13
What term refers to the amount of heat necessary to change 1kg of a liquid into a gas at the same temperature?
Latent Heat of Vaporization
14
What term refers to the energy that is involved in a phase change?
Latent Heat
15
What kind of phase is a material in if it has definitive volume and assumes the shape of the container it’s in?
Liquid
16
What increases for every natural process?
Entropy
17
What converts heat to work?
Heat Engine
18
What temperature has no negative readings?
Kelvin
19
What is a common property to measure temperature?
Material Expansion
20
What decreases in water between 4 and 0 degrees Celsius?
Water Density
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