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Ch 8, 8th Grade
Test Description: Thermal energy
Instructions: Answer all questions to get your test result.
1) Heat is transferred
A
from warm to warm areas
B
from warmer to cooler areas
C
from cooler to warmer areas
D
from cool to cool areas
2) In a convection current, warm fluid
A
stays put
B
there is no warm fluid in a convection current
C
sinks
D
rises
3) The only kind of heat transfer that does not require matter is
A
conduction
B
radiation
C
convection
4) A pot on a hot stove burner is warmed through
A
convection
B
radiation
C
conduction
5) A circular flow of warmer fluid and cooler fluid is called a
A
radiation river
B
convection current
C
conduction channel
D
thermal typhoon
6) Every material heats up at the same rate.
A
false
B
true
7) A material that allows heat to travel through it easily is called a
A
conductor
B
insulator
C
conduction channel
D
specific heat
8) Which is a good conductor:
A
iron
B
wood
C
ceramic
D
air
9) A blanket is an example of a(n)
A
conductor
B
insulator
10) The amount of energy required to raise the temperature of 1 kg of a material by 1 K is called its
A
thermal conductor
B
specific heat
C
thermal expansion
D
thermal energy
11) When something increases in size due to it being heated, it experiences
A
thermal expansion
B
thermal capacity
C
thermal conduction
D
thermal specific
12) The measure of the average kinetic energy of the particles in an object
A
thermal expansion
B
thermal energy
C
temperature
D
specific heat
13) The temperature scale on which water boils at 212 and freezes at 32
A
Kelvin
B
Celsius
C
Fahrenheit
14) The temperature scale that has no degrees and starts at 0
A
Celsius
B
Kelvin
C
Fahrenheit
15) The temperature scale that has water freezing at 0 and boiling at 100
A
Celsius
B
Fahrenheit
C
Kelvin
16) The lowest temperature possible, where particles stop moving
A
specific heat
B
thermal absence
C
specific zero
D
absolute zero
17) Thermal energy depends on all EXCEPT
A
the average size of particles
B
how the particles are arranged
C
number of particles
D
temperature
18) The transfer of thermal energy from a warmer object to a cooler object
A
thermal transfer
B
heat
C
energy transfer
D
temperature
19) Two glasses each hold 25 mL of water. A is at 37 degrees C while B is at 39 degrees C. Which has more thermal energy?
A
A
B
they are equal
C
can't tell with the info given
D
B
20) Glass A has 25 mL of water. Glass B has 19 mL of water. Both are at 22 degrees C. Which has more thermal energy?.
A
they are equal
B
A
C
B
D
can't tell
*select an answer for all questions
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