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Forces Chapter 5
Test Description: The should help you study for your test
Instructions: Answer all questions to get your test result.
1) What happens to the molecules at 273 K?
A
There is no energy or no movement of particles
B
Water freezes
C
Nothing is a normal temperature
D
Water boils
2) What is heat?
A
The movement of thermal energy from a warmer objects to a cooler object
B
The movement of heat from a warm object to cool object
C
A material that conducts heat poorly
D
The amount of energy required to raise temperature 1 kg of a substance by 1 K
3) What occurs only from warm objects to colder ones?
A
Heat transfer
B
Cold transfer
C
Particle transfer
D
Energy transfer
4) What is an insulator?
A
A material that conducts heat well
B
A new material made of cotton
C
A new material that glows
D
A material that conducts heat poorly
5) What is specific heat?
A
The amount of energy needed to raise the temp of 1 g of substance by 1 K
B
The amount of energy needed to raise the temp of 1 kg of substance by 1 F
C
The amount of energy needed to raise the temp of 1 kg of substance by 1 K
D
The amount of energy needed to raise the temp of 1 kg of substance by 1 C
6) What is thermal expansion?
A
When thermal energy of matter increase and the particles spread out
B
When kinetic energy of matter increase and the particles spread out
C
When thermal energy of matter increase and the particles come closer
D
When kinetic energy of matter increase and the particles come closer
7) What is an example of convection?
A
When a baseball is thrown
B
When heated air moves from baseboard heaters to the rest of a room
C
When a pot is heated on the stove
D
When the sun warms your skin
8) What is temperature?
A
A measure of the average thermal energy of the individual particles in an object
B
A measure of particles in an object
C
A measure of how hot or cold things are
D
A measure of the average kinetic energy of the individual particles in an object
9) A one degree change in the Celsius scale is equal to a one degree change in what other temperature scale?
A
Hot Scale
B
Kelvin
C
Cold Scale
D
Fahrenheit
10) What is an example of thermal expansion?
A
Squirrel running
B
Pot on the stove
C
Train Tracks
D
Your clothes
11) Iron has a higher specific heat than silver. Both absorb the same amount of heat which will have a great temperature change?
A
Water
B
Iron
C
Air
D
Silver
12) Which is the highest temperature: 50 C 50 F 50 K ?
A
50 K
B
50 F
C
50 C
D
None of them
13) What is a good insulator because it reduces heat transfer?
A
steal
B
nickel
C
Trapped Air
D
copper
14) What kind of energy increases as the temperature and number of molecules increase?
A
Energy
B
Potential Energy
C
Kinetic Energy
D
Thermal Energy
15) The temperature would be the same in both beakers if what energy is the same?
A
Potential energy
B
Thermal energy
C
Kinetic energy
D
Energy
16) As air gets warmer it rises, as it gets colder it sinks. What science term is this describing?
A
Density
B
Newton's Laws
C
Kinetic Energy
D
Potential Energy
17) When conduction occurs what happens to the particles of the hotter item?
A
The particles from the cooler object make the particles in the cooler object move slower
B
The particles from the warmer object make the particles in the cooler object move slower
C
The particles from the cooler object make the particles in the cooler object move faster
D
The particles from the warmer object make the particles in the cooler object move faster
18) A temperature change is greater on which scale?
A
Celsius; smaller scale and used more across the globe
B
Fahrenheit; larger scale and 100 degrees between freezing and boiling water
C
Fahrenheit; smaller scale and used just in the US
D
Celsius; larger scale and 100 degrees between freezing and boiling water
*select an answer for all questions
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