Thermal Energy Test Review Question Preview (ID: 58306)


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An example of a conductor of energy is:
a) wood
b) metal
c) plastic
d) cloth

What is a thermal conductor?
a) Material that does NOT transfer energy.
b) Material that is connected to a circuit.
c) Material that transfers energy.
d) Material that reflects light.

Near the ceiling of a room the air is warmer. The warm air rises because of
a) conduction
b) convection
c) radiation
d) insulation

An iron is placed on your clothes to smooth out the wrinkles. The iron transfers heat to your clothes through
a) conduction
b) convection
c) radiation
d) insulation

Which of the following is the best example of conduction?
a) a light bulb warming a lampshade
b) water boiling in a pot
c) an egg cooking in a frying pan
d) gases circulating in the atmosphere

When you use a microwave, what is the main way that heat is transferred?
a) conduction
b) convection
c) radiation
d) insulation

Molecules with more kinetic energy move ———- than molecules with less kinetic energy.
a) faster
b) slower
c) at the same speed
d) relative

Temperature is the measure of the average ______ of particles.
a) heat
b) potential energy
c) kinetic energy
d) thermal energy

The movement of thermal energy from a hotter object to a colder one is called
a) temperature
b) kinetic energy
c) heat
d) potential energy

Mittens help keep your hands warm in winter because:
a) They are conductors of heat.
b) They are conductors of electrical energy.
c) They are fuzzy.
d) They are insulators.

Which of the following is NOT considered an insulator?
a) plastic
b) rubber
c) styrofoam
d) aluminum

Thermal energy is NOT able to travel quickly through this type of material.
a) conductor
b) insulator
c) expansion
d) contraction

What do a penny, copper wire, metal fork, and aluminum foil have in common? They are all _____________.
a) insulators
b) circuits
c) conductors
d) electromagnets

You can measure thermal energy by using a
a) digital scale
b) triple beam balance
c) thermometer
d) graduated cylinder

When particles are heated they begin to ____.
a) speed up
b) slow down
c) spin in circles
d) stop for 3 seconds and then start again

In an ocean, warm water moves __________ and cold water moves ____________.
a) down, up
b) up, down
c) up, on top of the warm water
d) laterally, in spirals

What is an example of a convection current?
a) Touching a hot spoon that was in a soup bowl.
b) Touching an iron skillet after cooking and feeling the heat.
c) Feeling the suns rays on a nice summer day.
d) Movement of gas in a hot air balloon.

To transfer to thermal energy between matter or different temperatures is called ______________.
a) air
b) water
c) heat
d) matter

Particles move the fastest in this state of matter -
a) solid
b) liquid
c) gas
d) plasma

Why do gas molecules have a greater kinetic energy than liquids?
a) Gas molecules are further apart allowing them to move faster.
b) Liquid molecules are further apart allowing them to move faster.
c) Gas molecules spin and liquid molecules vibrate.
d) This is false. The 2 have the same kinetic energy.

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