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