2.3 Thermal Energy

Multiple Choice

Jenny poured some hot chocolate into a cup and stirred it with a metal spoon.  She noticed the spoon was really warm.  What is the best explanation for this?

• The spoon is a conductor.

• The spoon reflects heat.

• The spoon is an insulator.

• She touched the spoon first and waited to touch the cup.

Multiple Choice

Andy stirred a hot drink in a styrofoam cup with a  metal spoon.  In what order did the thermal energy reach Andy's hand?

• cup-hot chocolate-hand

• hand-spoon-hot chocolate

• hot chocolate-spoon-hand

• hot chocolate-spoon-hand-cup

Multiple Choice

In the winter, some people heat their homes by burning logs in the fireplace.  How does the heat from the fire get to the other side of the room?

• it travels through the carpet by conduction

• it travels through the air by convection

• it travels through the carpet by radiation

• it travels with the smoke by condensation

Multiple Choice

Conduction is heat transfer by -

• Touch

• Circles

• Waves

Multiple Choice

Warm air rises and the cool air sinks demonstrates this type of heat transfer. 

• conduction

• convection

• radiation

• Insolation 

Multiple Choice

The heat from a hot burner to a pot is transferred by ______.

• convection

• insulation

• radiation

• conduction

Multiple Choice

The sun warming your skin is an example of heat transfer through 

• conduction

• convection

• radiation

• thermal electricity

Multiple Choice

Radiation is a method of thermal energy transfer that moves -

• through empty space.

• when objects touch.

• only through solids.

• in the motion of fluids.

Multiple Choice

Which of the following are kinds of heat transfer.

• Conduction

• Convection

• Radiation

• All of the above

Multiple Choice

In what direction do hot liquids and gasses move?

• Side to Side

• Down

• Up

• Back and Forth

Multiple Choice

What type of heat transfer takes place in liquids and gasses?

• Conduction

• Convection

• Radiation

• Thermal Equilibrium

Multiple Choice

What type of heat transfer takes place in solids?

• Conduction

• Convection

• Radiation

Multiple Choice

Which example below is an example of convection?

• Standing on a hot metal bridge

• The attic is warmer than the basement

• The Sun heating the Earth

• Touching hot sand with your feet

Multiple Choice

Which example below is an example of radiation?

• Standing on a hot metal bridge

• The attic is warmer than the basement

• The Sun heating the Earth

• Touching hot sand with your feet

Multiple Choice

This is an example of a(n)

• Conductor of heat

• Insulator of heat

• Insulator of electrical

• None of the above

Multiple Choice

What happens to particles as they heat up?

• They slow down

• Nothing

• They don't move

• They speed up

Multiple Choice

What type of material makes the best insulators?

• Aluminum

• Copper

• Styrofoam

• Metal