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Heat/Temperature
Test Description: Answer questions about heat and temperature!
Instructions: Answer all questions to get your test result.
1) Energy that is stored is called ________________________.
A
potential energy
B
kinetic energy
C
physical energy
D
static energy
2) The energy an object has when it is in motion is called ________________________.
A
physical energy
B
static energy
C
kinetic energy
D
potential energy
3) What does temperature measure?
A
the average potential energy of an object's molecules
B
the average kinetic energy of an object's molecules
C
none of the above
D
the total potential energy and kinetic energy of an object's molecules
4) What does thermal energy measure?
A
the average potential energy of an object's molecules
B
none of the above
C
the total potential energy and kinetic energy of an object's molecules
D
the average kinetic energy of an object's molecules
5) Heat always moves _____________________.
A
upward
B
downward
C
from cooler areas to warmer areas
D
from warmer areas to cooler areas
6) When a thermometer is placed in a substance, what is it actually measuring?
A
pressure
B
density
C
heat
D
temperature
7) What happens when molecules increase their speed?
A
The temperature of the liquid will decrease.
B
The molecules will grow in size.
C
The temperature of the liquid will increase.
D
The liquid will change into a solid.
8) The process in which energy is transferred through direct contact, or touching, is called _______________.
A
conduction
B
insulation
C
radiation
D
convection
9) What type of energy transfer occurs when the sun's energy is transferred to the Earth?
A
radiation
B
insulation
C
conduction
D
convection
10) ______________ occurs when energy is transferred through a fluid.
A
radiation
B
convection
C
conduction
D
insulation
11) Which material is the best conductor of heat?
A
air
B
wood
C
plastic
D
copper (metal)
12) A beaker is filled with warm water. Cold water is added to the beaker. The water has reached thermal equilibrium when ________________.
A
all of the water is the same temperature
B
the warm water is on top and the cold water is on the bottom
C
all of the water is frozen
D
all of the water has tu
13) A pot holder is useful for picking up hot objects, because it is a good _____________.
A
insulator
B
radiator
C
conductor
D
refractor
14) Celsius and Fahrenheit are the units of measurement for ___________________.
A
heat
B
none of the above
C
temperature
D
thermal energy
15) Air rises when it is heated. Why does this happen?
A
Denser cold air moves under the warm air, pushing it up.
B
Air turns into helium when it is heated.
C
Warm air has less mass than cool air.
D
Earth's gravity attracts warm air less than cold air.
*select an answer for all questions
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