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