Ch 8, 8th Grade Question Preview (ID: 60973)


Thermal Energy. TEACHERS: click here for quick copy question ID numbers.

Heat is transferred
a) from warmer to cooler areas
b) from cooler to warmer areas
c) from warm to warm areas
d) from cool to cool areas

In a convection current, warm fluid
a) rises
b) sinks
c) stays put
d) there is no warm fluid in a convection current

The only kind of heat transfer that does not require matter is
a) radiation
b) convection
c) conduction
d)

A pot on a hot stove burner is warmed through
a) conduction
b) convection
c) radiation
d)

A circular flow of warmer fluid and cooler fluid is called a
a) convection current
b) thermal typhoon
c) radiation river
d) conduction channel

Every material heats up at the same rate.
a) false
b) true
c)
d)

A material that allows heat to travel through it easily is called a
a) conductor
b) specific heat
c) insulator
d) conduction channel

Which is a good conductor:
a) iron
b) ceramic
c) air
d) wood

A blanket is an example of a(n)
a) insulator
b) conductor
c)
d)

The amount of energy required to raise the temperature of 1 kg of a material by 1 K is called its
a) specific heat
b) thermal energy
c) thermal conductor
d) thermal expansion

When something increases in size due to it being heated, it experiences
a) thermal expansion
b) thermal capacity
c) thermal conduction
d) thermal specific

The measure of the average kinetic energy of the particles in an object
a) temperature
b) thermal energy
c) specific heat
d) thermal expansion

The temperature scale on which water boils at 212 and freezes at 32
a) Fahrenheit
b) Celsius
c) Kelvin
d)

The temperature scale that has no degrees and starts at 0
a) Kelvin
b) Fahrenheit
c) Celsius
d)

The temperature scale that has water freezing at 0 and boiling at 100
a) Celsius
b) Fahrenheit
c) Kelvin
d)

The lowest temperature possible, where particles stop moving
a) absolute zero
b) specific zero
c) specific heat
d) thermal absence

Thermal energy depends on all EXCEPT
a) the average size of particles
b) temperature
c) number of particles
d) how the particles are arranged

The transfer of thermal energy from a warmer object to a cooler object
a) heat
b) temperature
c) thermal transfer
d) energy transfer

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) B
b) A
c) they are equal
d) can't tell with the info given

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) A
b) B
c) they are equal
d) can't tell

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