Ch 12 Heat Transfer

In a solid particles are

• loosely packed

• flying freely

• tightly packed

• black and dense

As an object __________ particles move ________.

• warms, slower

• cools, slower

• cools, go in a straight line

• warms, go in a straight line

When a substance cools down

• the liquid in a thermometer expands

• the liquid in a thermometer conducts

• the liquid in a thermometer contracts

• the liquid in a thermometer erases

The measure of the total amount of motion in particles of matter is called

• thermodynamics

• thermos

• thermostat

• temperature

The heat transfer from a stove top to a pot is called

• convection

• condensation

• conduction

• radiation

What are insulators?

• Materials that allow no heat to pass through them.

• Materials that readily allow heat to pass through them.

• Materials that both limit and allow heat to pass through them.

• Materials that limit the amount of heat that passes through them.

What forms when heated air expands and cooler air sinks below the warmer air?

• thermal current

• radiation current

• convection current

• conduction current

What are you feeling when you feel the warmth of a light bulb on your skin?

• convection currents

• conduction

• solar energy

• radiation

What does thermal energy measure?

• location of moving particles

• how fast particles are moving

• total energy pf particles moving

• average energy of particles moving

Which method of heat transfer does not require matter?

• radiation

• temperature

• insulation

• conduction