Heat Transfer Notes

Open Ended

What are the 3 ways heat is transferred?

Multiple Choice

Which of the following best describes thermal energy?

• The total kinetic energy of all particles in an object

• The energy transferred from a higher temperature to a lower temperature

• The measure of how fast or slow molecules are moving

• The amount of energy stored in chemical bonds

Multiple Choice

What happens to the density and speed of particles when they are heated?

• They become less dense and faster

• They become more dense and slower

• They become more dense and faster

• They become less dense and slower

Fill in the Blanks

What happens when you hold chocolate in your hand?

Multiple Choice

Which direction does heat move when you hold chocolate in your hand?

• From your hand to the chocolate

• From the chocolate to your hand

• Both directions equally

• No heat transfer occurs

Open Ended

Explain why chocolate melts when you hold it in your hand, using the concept of heat transfer.

Multiple Select

Which of the following are ways that heat can move?

• Conduction

• Convection

• Radiation

• Evaporation

Fill in the Blanks

Fill in the blank: The transfer of heat from the stove element to the kettle is called

.

Multiple Choice

Which of the following best describes conduction?

• Transfer of heat by direct contact

• Transfer of heat through empty space

• Transfer of heat by movement of a liquid or gas

• Transfer of heat by chemical reaction

Multiple Select

Which of the following are good conductors of heat?

• Copper

• Brass

• Styrofoam

• Tin

Fill in the Blanks

The transfer of heat in the form of waves is called

.

Open Ended

Explain how the images of the fire, the elephant, and the heater in the fourth image demonstrate the concept of radiation.

Multiple Choice

Which process is responsible for the transfer of heat when hot air rises and cool air sinks?

• Conduction

• Convection

• Radiation

• Insulation

Open Ended

Describe how convection currents are responsible for sea breezes during the day and land breezes at night, as shown in the sixth image.

Drag and Drop

Type question here including an

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Drag these tiles and drop them in the correct blank above

Convection

Conduction

Radiation

Hot

Fire

Open Ended

Exit Ticket

Explain how all three methods of heat transfer (conduction, convection, and radiation) are illustrated in the boiling pot scenario shown in the images.

Multiple Choice

Which method of heat transfer is responsible for heating the handle of the pot in the given diagram?

• Conduction

• Convection

• Radiation

• Evaporation